Which of the statements is most accurate about how individual atoms produce light?

Which Of The Statements Is Most Accurate About How Individual Atoms Produce Light?

Answers

Answer 1

The concept of the photon emerged from experimentation with thermal radiation, electromagnetic radiation emitted as the result of a source’s temperature, which produces a continuous spectrum of energies.The photoelectric effect provided indisputable evidence for the existence of the photon and thus the particle-like behavior of electromagnetic radiation. However, more direct evidence was needed to verify the quantized nature of energy in all matter. In this section, we describe how observation of the interaction of atoms with visible light provided this evidence


Related Questions

Based on the model simulation of the carbon cycle, what happens when you increase the plant biomass?

Atmosphereic co2 decreases

Atmospbereic co2 stays the same

Atmospheric co2 increases

Answers

Based on the carbon cycle simulation model, what happens when you increase plant biomass is that atmospheric CO2 decreases. because in the cellular respiration of the plants they will consume more carbon.

How do plants influence the carbon cycle?

Plants, through the process of respiration, also absorb carbon dioxide and release oxygen unlike animals. The carbon deposited in the soil can undergo alterations, turning into fossil fuels such as oil and natural gas, in addition to forming diamonds, graphite and coal mines, among others.

With this information, we can conclude that based on the carbon cycle simulation model, what happens when you increase plant biomass is that atmospheric CO2 decreases. because in the cellular respiration of the plants they will consume more carbon.

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what is personality in psychology ?​

Answers

Personality psychology is a branch of psychology that examines personality and its variation among individuals. It aims to show how people are individually different due to psychological forces. 

In this test, you will apply what you have learned in the unit. Please answer the
questions below. Submit this to your teacher when you are done.
1. The figure below shows the age distribution of the human population of an island
nation in the South Pacific.
Age
105
Age
65
Age
25
F
a. According to the figure, is this population more likely to grow or shrink in the
next 10 years? Explain your answer. (2 points)

Answers

Answer:

It should be more likely to grow as there is a steady increase as you go down the ages with no gaps or stops. As years pass the increase should be expected to keep steady.

What are the precautions of asthma

Answers

Asthma is basically a bronchial infection in which the bronchi actually swells and whenever, mucus gets deposit in bronchi it creates problem in breathing which leads to a asthmatic attack. It is considered as a universal chronic disease. As it lasts for a long span of time if not cured at early age. In modern science there is no medication discovered to cure it permanently. However, some drugs has been introduced which provide temporary relief.

Asthma can be cured by following these simple steps:-

1.Yoga and regular exercise :- Yoga and physical exercises helps a lot to overcome from breathing problems . Pranayams such as Anilom-Vilom and Kapaalbhati are considered as the best yoga exercises for asthmatic patient. About 30 to 45 min of daily yoga can bring a magical change.

2.Precaution's and Prevention's :-

• Keep yourself away from dusty places.

• Fried and spicy food should be avoided.

• Avoid cold places such as AC rooms.

• Don't eat foods creating mucus, such as curd, rice etc.

• Take light dinner about 2 to 2.5 hours before going to bed.

3.Have faith in yourself :- The last but the most important thing required to cure asthma is your faith in yourself. You must have faith and patience. It looks funny that faith can cure a disease but it's a real truth. There is a quote for faith that

“Faith can move mountains”

It means faith have so much of power that it can move even mountains. But here, we have to fight with a simple disease which is extremely easy.

It is write answer

Drag the tiles to the correct boxes to complete the pairs. Match the type of evidence for evolution to the correct example. Analogous structures, DNA Sequence, Vesitgal structures, homologous strutcures

Answers

Analogous structures include wings in birds and insects homo-logous structures are DNA sequences due to a common origin, and a vestigial structure can be the human appendix.

What are analogous structures?

Analogous structures are traits that have the same function but they originated in different lineages.

Conversely, homo-logous structures have the same common origin but they may play different functions.

In conclusion, wings in different taxonomic groups may represent analogous structures, DNA sequences are homo-logous structures when they have the same ansestor and the human appendix is a vestigial structure.

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Need help doing this table i have to send it tomorrow!

Answers

Grey wolf:

1. Kingdom: Animalia.

Phylum: Chordata.

Class: Mammalia.

Order: Carnivora.

Family: Canidae.

Genus: Canis.

Species: Canis lupus

Why do people utilize classification systems?

The classification system offers a wealth of knowledge regarding the traits of creatures. Therefore, using a scientific name as a shorthand to describe a plant or animal can be useful.

Coconut:

2. Kingdom: Plantae

Phylum: Magnoliophyta

Class: Liliopsida

Subclass: Arecidae

Order: Arecales

Family: Arecaceae

Genus: Cocos

Subject: Cocos nucifera Linnaeus

Black- blacked jackled

3. Kingdom: Metazoa

Phylum: Chordata

Subphylum: Vertebrata

Class: Mammalia

Order: Carnivora

Suborder: Fissipeda

Family: Canidae

Genus: Canis

Species: Canis mesomelas

Chimpanzee:

Kingdom: Animalia.

Phylum: Chordata.

Class: Mammalia.

Order: Primates.

Family: Hominidae.

Genus: Pan.

Species: Pan troglodytes.

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Match the following.

1. The blending of two traits in a heterozygous individual
multiple alleles
2. Where more than two alternatives for a gene exist
incomplete dominance

Answers

Answer:

Multiple Alleles ---> 2.) Where more than two alternatives for a gene exist

Incomplete Dominance ---> 1.) The blending of two traits in a heterozygous individual

HELP



Nephrons, the functional unit of kidneys, are responsible for formation of urine. The sentences describe situations that are the result of problems in the urine formation process. For the nephron shown below, match each situation to the step in the urine formation process where the problem lies.

Answers

Answer:

no nephorns is no

Explanation:

t a functional unit of kidneys

Throughout the world countries are dumping their garbage in the oceans. This dumping has affected the fish and other aquatic organisms of the oceans. Many fishing industries have collapsed due to this extensive dumping. Which theory explains this scenario?

Answers

The theory that explains this scenario is the tragedy of the commons theory.

What is the tragedy of the common theory?

It is an economic theory that explains how individual gains create a general problem in society at large.

When individuals pursue personal gains even at the expense of creating a general problem in society, it results in the tragedy of the common.

Indiscriminate dumping of garbage in the ocean by countries results in a general problem that affects the entire world vis a vis the collapse of many fishing industries.

Fishes represent a source of protein for man all over the world.

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If a hypothesis is supported by data from repeated experiments, it is proven to be true.

Answers

Answer:

yes

Explanation:

because after proving and trying out the particular hypothesis indeed it is true

During which period did mammals first appear? a. pleistocene b. carboniferous c. cretaceous d. jurassic please select the best answer from the choices provided a b c d

Answers

The correct answer is Jurassic. (D)

In a mutualism
A one organism is helped and the other is harmed
B neither organism is helped
C one organism is helped and the other is not harmed
D both organisms are helped
Need this bad.

Answers

In a mutualism, both organisms work together to collectively benefit. Why? Well, the root word “mutual” refers to a common connection between 2 or more personnel or objects. Through mutualism, one organism helps another in a way that benefits both the host and reliant organisms. An example of mutualism in marine life would be clownfish and anemones. One way clownfish help anemones is through providing nutrients in the form of waste. The anemones also provide benefits too; it serves as a source of protection and shelter.

Your final answer: D is the final answer. If you need help, let me know and I will gladly assist you.

In a mutualism  both organisms are helped. Therefore, option (D) is correct.

Mutualism benefits both creatures. The trade benefits both organisms. Food, shelter, protection, and other services are examples. The partnership helps both creatures survive, reproduce, and thrive. Nature relies on mutualistic ties for ecological balance and ecosystem function.

Mutualism may be seen in pollination, where plants give nectar to pollinators in exchange for pollen, and in animal digestive systems, where mutualistic microorganisms break down food and offer nutrients. Therefore, option (D) is correct.

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Which of the following describes rivers and streams?

A. separated into photic and aphotic zones of still water with large amount of vegetation and fish

B. located between aquatic and terrestrial environments and reduces flooding and filters water

C. filled with running water and don't allow the collection of algae, and are home to small crustaceans

D. collected water that is murky and home to insects, phytoplankton, and burrowing organisms​

Answers

A
Separated into photic and aphotic zones of still water with large amount of vegetation and fish

Filled with running water and do not allow the accumulation of algae, and are home to the small crustaceans that describe rivers and streams. So, the correct option is (C).

What are Wetlands?

Wetlands are a type of area where water either completely covers the soil or is present at or near the soil surface throughout the year or at different times throughout the year during the growing season.

Water is cleaned by wetlands as they filter out sediment, other pollutants and even chemical pollutants. Wetland areas act as a filter and processing facility for excess nutrients that may leach away from agricultural and growth sites.

It is also referred to wetlands as the "kidneys of our watersheds".  It functions as its own distinct ecosystem.

Thus, filled with running water and do not allow the accumulation of algae, and are home to the small crustaceans that describe rivers and streams. So, the correct option is (C).

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Which of the following statements is most accurate about how individual atoms produce light?

Group of answer choices

Electrons can spontaneously emit a photon of light without dropping to lower energy levels.

Light is not created by atoms, it just passes through them.

Photons are emitted when an electron jumps to higher energy levels in an atom.

An electron in an excited energy level of an atom will always drop to lower energy levels, emitting very specific wavelengths of light in the process.

Answers

Answer:

An electron in an excited energy level of an atom will always drop to lower energy levels, emitting very specific wavelengths of light in the process.

Rudolph the Reindeer has a red nose (n), which is a recessive trait. Betsy the Reindeer has a black nose (N), which is a dominant trait, and she does not carry the recessive allele. Assume the rules of human genetics also apply to reindeer.

A. Either NN or Nn
B. Nn
C. NN
D. nn

Answers

Answer: black, black, black, red

Explanation:

If there is a dominant allele present, any recessive alleles are ignored and the reindeer displays the trait associated with the dominant allele.

Therefore A, B, and C have black noses because they have 1 or more dominant alleles

D has two recessive alleles so it displays the recessive trait.

Hope this helps.

Answer:

B. Nn

Explanation:

We know Betsy does not have recessive allele which means she is a homozygous dominant, NN. Rudolph has a red nose which is recessive trait, to get a recessive trait you need to be homozyogus recessive, nn.

Now, if you cross NN x nn (assuming you know how to do punnet squares), all the offsprings will be Nn (black nosed)

Hope its right!

Place a check mark next to each star that is only fusing hydrogen into helium at this time.

Answers

The stars that are only fusing hydrogen into helium at this time are :

Star 1 Star 2 and Star 3 Characteristic of a star fusing hydrogen into helium

A star fusing hydrogen into helium is categorised as a main sequence star. As a star continues to fuse hydrogen into helium, energy is released in the process and the luminosity of the star increases as well. An example of  a star that has completely fused hydrogen into helium is the sun. A giant red star signifies that the star is out of hydrogen it uses for nuclear fusion.

Hence we can conclude that the stars undergoing  hydrogen fusion into helium are stars 1, 2 and 3

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Halons and cfc’s both _______. a. inhibit ozone formation b. cause ozone formation in the troposphere c. destroy ozone in the stratosphere d. cause excess ozone formation in the stratosphere please select the best answer from the choices provided a b c d

Answers

Halons and cfc’s both destroy ozone layer in the stratosphere.

Chemicals with carbon, chlorine, and fluorine atoms are known as chlorofluorocarbons (CFCs), and they are neither poisonous nor combustible. They are employed as solvents, refrigerants, blowing agents for foams and packaging materials, and in the production of aerosol sprays.Halons, hydrochlorofluorocarbons, and chlorofluorocarbons all damage the ozone layer, which protects the planet from damaging ultraviolet (UV-B) rays from the sun. Additionally warming the earth's lower atmosphere, CFCs and HCFCs alter the climate on a global scale.Life on earth is made possible by the stratospheric ozone layer, which protects the planet from the sun's harmful ultraviolet (UV-B) rays. Ozone in the upper atmosphere is destroyed by man-made substances such halons, hydrofluorocarbons, and chlorofluorocarbons (CFCs)

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identify two reasons why stress can influence weight gain?​

Answers

Answer:

1. emotional eating or (stress eating)

2. Stress can cause cortisol which can lead to weight gain.

Explanation:

Answer: Two reasons why stress can influence weight gain:


1) In some cases having too much stress causes many people to eat or do I health things in order to forget about all that stress.


2) Having too much stress upon yourself causing that person’s emotions to change or get all mixed up causing many people to not care about the things that they cared about before due to all the stress that they had before.


*Hopefully this helped at least with a bit. Enjoy your day! ♥️*

Why would it be easier for a doctor to tell that someone has a viral infection when the virus is in the
lytic cycle?

Answers

Answer:

Diagnosis of Bacterial and Viral Infections

But your doctor may be able to determine the cause by listening to your medical history and doing a physical exam. If necessary, they also can order a blood or urine test to help confirm a diagnosis, or a "culture test" of tissue to identify bacteria or viruses.

Lesson 2 Chromosomes and Mitosis
Lesson 2: True or False
Write true if the statement is true or false if the statement is false.
1. A chromatid is made of two identical chromosomes.
2. There may be thousands of genes on a single chromosome.
3. Prophase is the first phase of mitosis.
4. Female human cells have 23 pairs of homologous chromosomes.
5. Mitosis occurs in the following order: prophase - metaphase - telophase-anaphase.
6. The process in which the cell divides is called mitosis.
7. During mitosis, DNA exists as chromatin.
8. A gene contains the instructions to make a protein.
9. Chromosomes form during metaphase.
10. Mitosis is the phase of the eukaryotic cell cycle that occurs between DNA replication and the
second growth phase.
11. Sister chromatids are identical.
12. Chromatids separate during anaphase.
13. Chromosomes are coiled structures made of DNA and proteins.
14. Human cells have 64 chromosomes.

Answers

Answer:

1. true

2. true

3. true

4.false

5.true

6. true

7. false

8. true

9. false

10. false

11. true

12. true

13. true

14. false

Ecosystems change when _______. a. living components of an ecosystem change b. nonliving components of an ecosystem change c. their stability is disrupted d. all of the above please select the best answer from the choices provided a b c d

Answers

Ecosystems change when all of the above components listed change ie, living components of an ecosystem, nonliving components of an ecosystem, or their stability is disrupted.

Hence correct option is D.

A community of creatures and their physical environment make up an ecosystem.Ecosystems can be terrestrial, aquatic, or marine and come in a variety of sizes. The term "biome" refers to broad classifications of terrestrial ecosystems. Ecosystems, the dynamic network of living and nonliving things in a place, change gradually over time. New plants and animals either thrive or suffer when they are introduced to a region. Sometimes thriving species suppress native species. The system as a whole starts to shift when this occurs.If the living components i.e., flora and fauna of the ecosystem change then there will be increase or decrease in food availability and either surge in predators or no predators at all. hence it will greatly affect the ecosystem.non living components such as temperature, water availability, natural calamities can also affect the ecosystem. it can lead to extinction or migration from one place while influx of immigration to another.if the stability of ecosystem is disrupted due to change in living and non living components then also the ecosystem will be affected.

hence all of the above options are correct.

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In what way could you increase the rate of the reaction as it taking place in image C?
add more enzyme
add more substrate
remove substrate
remove enzymes
remove product

Answers

Answer:

Add more enzymes

Explanation:

the purpose of enzymes in nature is to increase the rate of chemical reactions inside an organism

Enzymes increases the rate of a reaction. In the given image, the enzyme molecules are not sufficient to combine with that much substrates thus more enzymes have to be added. Hence option A is correct.

What are enzymes?

Enzymes are bio-catalysts which catalyses almost all biological reactions in living organisms. Catalysts are substances which increases the rate of a chemical or biochemical reaction without direct involvement and change by itself.

Catalysts helps to attain equilibrium in a reaction faster by decreasing the activation energy of the reactants. Activation energy is the minimum amount of energy required to overcome the potential barrier in a reaction.

An enzyme have a pocket like cavity into which a substrate places properly.  The substrate binds with the cavity and forms an enzyme-substrate complex. This complex then forms a transition compound or an intermediate product which then forms a enzyme-product complex.

Enzyme then release the product. Thus enzymes provide a smooth surface for the reactions to take place. Hence by increasing enzyme amount appropriate to the substrate amount the reaction rate increases.

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Your question is incomplete. But your complete question probably include the uploaded image.

2. How are the amino acids formed from the codon in Mutation #2 different from those
formed from the original codon pattern?

Answers

The amino acids formed from the codon in the Mutation are different from those formed from the original codon pattern, not because after the mutation the sequencing is changed, giving rise to different codons.

What is a DNA mutation?

Mutations are abnormal changes in the DNA of a gene. The building blocks of DNA are called bases. The sequence of these bases determines the gene and its function. Mutations involve changes in the arrangement of the bases that make up a gene.

How many amino acids make up a codon?

Degenerate/Redundancy: There are four nitrogenous bases that make up DNA and RNA. They are arranged in triplets, forming codons. Thus, there are 64 different codons that correspond to the twenty amino acids that make up proteins. Therefore, more than one codon corresponds to the same amino acid.

With this information, we can conclude that the amino acids formed from the codon in the Mutation are different from those formed from the original codon pattern, not because after the mutation the sequencing is changed, giving rise to different codons.

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Why is radiometric dating of Carbon not a useful means to determine the age of the earth? What should we use instead of Carbon?

Answers

Answer:

Geologists do not use carbon-based radiometric dating to determine the age of rocks. Carbon dating only works for objects that are younger than about 50,000 years, and most rocks of interest are older than that

Explanation:

Pls help me will give 10 points to you. Pls help me .

Answers

the answer will be P!!!

Answer:

From my analysis, that would be Q (6:00am).

Because the sun makes someone's shadow appear longer at sunrise.

And the time which the sun rises on a standard meridian at the equator would be 6:00 am.

Hope this helps

Good luck ✅

how does carbon dioxide affect the ecosystem

Answers

As a greenhouse gas that absorbs heat, CO2 raises the temperature of the atmosphere. We refer to this as global warming. The glaciers will melt more quickly as the world's temperature rises, raising sea levels and bringing on disaster. More power is consumed for air conditioning as the temperature rises, which further raises the air's CO2 level.

Since coal is the primary fuel utilized in the creation of power. This creates a vicious cycle.

.
What is the first step in transcription?
Complementary bases come in and pair with the old bases.
The original DNA strand is unzipped.
A new sugar-phosphate backbone is constructed.
Bases are proofread.

Answers

The first step in transcription is that the original DNA strand is unzipped. That is option B.

what is transcription?

Transcription in genetics is defined as a way by which cells produce Ribonucleic acid from an existing Deoxyribonucleic acid sequence.

The first step of transcription is called initiation. This is when signals are sent to the DNA to unwind (unzipped) so the enzyme can read the bases in one of the DNA strands.

Therefore, during the first step in transcription, the original DNA strand is unzipped.

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What is the last step of DNA replication?
Everything is proofread to eliminate mistakes.
The sugar-phosphate backbone is constructed.
New complementary bases pair with the “old” bases.
The backbone bonds to the bases, and the bases bond to each other.

Answers

The last step of DNA replication is when everything is proofread to eliminate mistakes.

That is option A.

What is DNA replication?

DNA replication includes series of processes whereby a cell uses its DNA to make new copies of its DNA in the cells.

There are various steps in DNA replication and the last of the steps is called termination.

In this last step of DNA replication, an enzyme called exonuclease proofreads the newly formed DNA to check, remove and replace any errors.

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Lab Report experiment about lima beans plant

Answers

Lima beans in soil of pH 6.8 grew better than that in soil of pH 7.9 showing that a slightly acidic soil is best for growth of Lima beans.

What is the purpose of the experiment?

The purpose of the experiment is to determine the effect of  soil pH of growth of Lima beans.

Lima beans is known to have maximum growth in soil pH of 6.0 to 6.8.

The Lima beans are planted in soil of pH 7.9 (watered with creek water) and soil of pH 6.8 (watered with a solution of Miracle grow).

It was observed after ten days, that the Lima beans in soil of pH 6.8 grew better than that in soil of pH 7.9 which did not grow.

In conclusion, Lima beans grows best in soil of pH that is slightly acidic.

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Why does the heart automatically adjust the flow of blood to match activity levels?
A. Extreme activity damages blood cells and the body needs replacements.
B. The heart requires more oxygen when exercising.
C
It reduces the level of oxygen in the blood.
D. Organs and muscles require more blood under stress.

Answers

Answer:

C

Explanation:

it builds up higher level of oxygen in the bloof

The answer to your question is D
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