If different masses of water are heated to the same temperature, the sample that will absorb more energy will be the mass of water with the greatest amount of water mass, because the larger the material, the greater the amount of heat needed.
What is the specific heat of water?Water has a specific heat of 1 cal/g. ºC This means that the energy of 1 cal is required for a variation of 1 °C in 1 g of water.
With this information, we can conclude that Water's specific heat power is 4.2 joules per gram per Celsius degree or 1 calory per gram per Celsius degree.
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What are the precautions of asthma
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.
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.
Answer:
C
Explanation:
it builds up higher level of oxygen in the bloof
Pls help me will give 10 points to you. Pls help me .
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 ✅
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.
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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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
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.
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
I need help pleaseeee
Answer:
Explanation:
1. The genotype is Ff for both
2 The phenotype is having freckles
3. FF, Ff, Ff, ff
4. 75% freckles 25% no freckles
Answer:
1.) Genotype = Ff
2.) Phenotype = having freckles
3.) Possible Genotypes = FF, Ff, ff
Probability of each Genotype = 25% FF, 50% Ff, and 25% ff
4.) Possible Phenotypes = Freckles and no freckles
Probability of each Phenotype = 75% freckles and 25% no freckles
Explanation:
1.) A genotype is the specific combination of alleles which give rise to a trait. Alleles are represented by the letters (F and f).
Heterozygous individuals have one of each type of allele. Therefore, the genotype of the couple is Ff.
2.) Phenotypes are the trait which the genotypes are expressing. When an allele is said to be dominant (like the F allele), it means that individuals with at least one of these alleles will express the associated trait. Remember, heterozygous individuals have one dominant allele (F) and one recessive allele (f). Because there is at least one dominant allele, the phenotype of the couple is to have freckles.
Lab Report experiment about lima beans plant
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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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.
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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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)
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.
Place a check mark next to each star that is only fusing hydrogen into helium at this time.
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 heliumA 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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¿What is the Kingdom Plantae?
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¿What is the Kingdom Plantae?
It is one that is composed of multicellular, eukaryotic, autotrophic, anaerobic and immobile organisms whose reproduction is sexual or asexual.
They are classified in :-
Angiosperms Gymnosperms.I hope I've helped : )
Answer:
It is one that is composed of multicellular, eukaryotic, autotrophic, anaerobic and immobile organisms whose reproduction is sexual or asexual.
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
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
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
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)learn more about ozone here: https://brainly.com/question/520639
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what is personality in psychology ?
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.
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.
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.
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.
Answer:
no nephorns is no
Explanation:
t a functional unit of kidneys
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
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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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
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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If a hypothesis is supported by data from repeated experiments, it is proven to be true.
Answer:
yes
Explanation:
because after proving and trying out the particular hypothesis indeed it is true
Why is radiometric dating of Carbon not a useful means to determine the age of the earth? What should we use instead of Carbon?
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:
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
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!
what roles can human beings play to balance nature
Hello!
Roles humans can play to balance nature :
Plant more trees to account for the loss of trees caused by deforestationConserve energy so we don't overuse our natural resourcesCause less pollution by contributing to more eco-friendly activitiesAnswer:
Human can play the following roles to balance nature:
We can decrease the burning of fossil fuels so that less pollution is produced.Family planning will reduce overpopulation to some extent.We should try not to cut trees so that the trees are safe and the habitats of animals aren't destroyed.There should be certain organizations set up that encourage people to plant more trees.The water that is not drinkable should be converted to drinkable water by several means.[tex]\rule[225]{225}{2}[/tex]
Solve for c
a ( c + b ) = d help me
Need help doing this table i have to send it tomorrow!
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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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
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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how does carbon dioxide affect the ecosystem
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.
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.
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
Why would it be easier for a doctor to tell that someone has a viral infection when the virus is in the
lytic cycle?
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.
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
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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