Answer:
Convection currents are the result of differential heating. Lighter (less dense), warm material rises while heavier (more dense) cool material sinks. It is this movement that creates circulation patterns known as convection currents in the atmosphere, in water, and in the mantle of Earth.
Explanation:
Convection currents are movement of fluid as a result of differential heating or convection. In the case of the Earth, convection currents refer to the motion of molten rock in the mantle as radioactive decay heats up magma, causing it to rise and driving the global-scale flow of magma. The density of a liquid reduces as it is heated. If the liquid is heated far from the surface, such as at or near the bottom of the container, its reduced density is displaced by colder, denser liquid, and the lighter liquid rises to the top where it meets the cooler liquid. The end consequence is that the heat transfer creates a circulation effect up until the boiling point, or the temperature at which all of the liquid is the same. The lesson to be learned from convective heating is to avoid heating liquids traditionally from the surface because doing so will not result in convection currents. The electromagnetic energy from microwaves typically heats from the top down, penetrating just a few millimeters. The movement (agitation) of the water container and the turbulence caused by the boiling surface water turning into steam are what enable heat transmission. It is typical to see superheating with explosive results due to the localized energy absorption by the surface portion of the water, especially if a powdered substance is introduced to the microwaved water. When the powder is mixed with hot water, nucleation sites are created, which might result in a quick ebullition of boiling water.
mr svedbergs jewelry store is transformed into a what before nick and caitlin are able to speak to him again
The thing which Svedberg's jewelry store is transformed into is rubble as it can be barely recognized.
What happened in Tesla's Attic?Caitlin and Nick went to Svedberg's jewelry store to make an appraisal of a piece of jewelry that belonged to Caitlin's mother.
We can see from the complete text that the jewelry dealer, Svedberg recognizes the insignia on the jewelry and becomes instantly interested but the jewelry is a dangerous one, belonging to the Accelerati who are not to be trifled with.
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how is information conveyed from one place to another? class 4
Answer:
Nervous tissue is made up of neurons that receive and conduct impulses. Neurons are highly specialised for being stimulated and then transmitting the stimulus very rapidly from one place to another within the body. Impulses are the passage of electrical activity along the axon of a nerve cell.
What is importance of heat energy to humans
Answer:
Explanation:
there are many enzymes in human body that require heat energy to perform their actions
what role we can play to manage solid waste
Hello!
To manage solid waste, the steps we can take are :
Do not burn your waste materialsSegregate your waste into biodegradable and non-biodegradable materials.Reuse peeled fruits and vegetables as fertilizer.Recycle your biodegradable materials into usable onesIf you use plastic grocery bags, reuse them for your small trash.Buy products that are organic like food, soap, and detergent.Do not throw your waste in the streets, dispose properly.When going to market, use reusable bags, or eco-bags.Old clothes can be used as rags.Minimize the use of plastic in any occasion.Answer:
Don’t throw chocolate, biscuit, ice cream, and other fast-food material wrappers on roads or in open spaces. Keep them in the pocket and put them in a specific bucket later on.
As alternatives to plastic bags, we can use cloth bags made of household material. i.e old strains, curtain material, bed sheets, etc.
Avoid the Avoid use of tissue paper instead of using your napkin.
Social Awareness programs can be organized programs communication ,schools and colleges.
To encourage the citizens to participate in waste management.
Don’t throw chocolate, biscuit, ice cream, and other fast-food material wrappers on roads or in open spaces. Keep them in the pocket and put them in a specific bucket later on.
As alternatives to plastic bags, we can use cloth bags made of household material. i.e old strains, curtain material, bed sheets, etc.
Avoid the use of tissue paper; instead, use your napkin.
Social Awareness programs can be organized in communities, schools, and colleges.
To encourage the citizens to participate in waste management.
Please mark it as brainliest and I hope it helps:)
Pls help it urgent. I’m clueless
Answer:
rg
Explanation:
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Which of the following statements about plants during the Paleozoic era are correct?
A. Very few plants grew during the Paleozoic Era.
B. Only small flowering plants have been found in the Paleozoic Era.
C. Large tree ferns grew well during the Paleozoic Era.
D. All of the choices are correct
Answer:
C. Large tree ferns grew well during the Paleozoic Era.
Aristo was riding in a car and noticed a pond that was covered in algal blooms due to excess phosphorus in the water. which of these other features in the landscape could be the reason for the high levels of phosphorus?many carscow pasturesolar panelsforest
Cow pasture is the reason for the high levels of phosphorus in the water resulting in algal blooms.
Algae blooms, also known as overgrowths of algae, occur quickly when phosphate and nitrogen levels are too high. Algal overgrowth burns oxygen while obstructing sunlight from reaching submerged plants.Although cow pasture (manure from cow dung) is frequently kept in enormous storage "lagoons," some of it unavoidably leaks into the groundwater and neighboring rivers, causing blue-green algae, or cyanobacteria, blooms.Commonly, runoff or soil erosion from fertilizer and manure introduces these nutrients. Toxic algal blooms may occur when these extra nutrients combine with hot sunny days. The blooms are harmful to people, animals, and fish.
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Question 4 of 10
Which phrase best describes the main goal of a human community?
A. To preserve culture and language
B. To meet needs through collective effort
C. To analyze group behavior through observation
D. To make and follow rules through political process
SUBMIT
Answer:
I guess the correct answer is option B
How and why do scientists try to remove bias from their experimentation?
Answer:
The blind design should suffice.
Enzymes
Which of the following can be cofactors?
Answer:
Cofactors can either be ions, such as zinc and iron ions, or organic molecules, such as vitamins or vitamin-derived molecules. Many of these cofactors will attach near the substrate binding site to facilitate the binding of the substrate to the enzyme.
Explanation:
❀(*´▽`*)❀
Harmful algal blooms are characterized by a rapid increase in the population of a type of algae that produces toxins. Toxins are chemicals that are poisonous to living things. The rapid reproduction of this type of algae is caused by the presence of sunlight, warm water, and an increase in the level of nutrients in the water. The nutrients come from farms that use chemicals to make their plants healthy. They are carried to lakes and rivers by runoff.
Suppose this scenario was modeled in the lab. How would the populations of the biotic factors be affected?
There will be a decrease in the population of the biotic factors as a result of the presence of the harmful algal blooms.
What are Biotic factors?These are referred to the living components which are present in the ecosystem and examples include fish etc.
Presence of harmful algal blooms means there will be poisoning of the living organisms which will result in their death and reduction. This is therefore the ways in which the populations of the biotic factors will be affected.
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PLS HELPP
Question 1(Multiple Choice Worth 3 points)
(04.05 LC)
How can the carbon in sediments reach the atmosphere?
Decomposition, fossil fuel formation, fossil fuel emissions
Photosynthesis, organic carbon, cellular respiration
Cellular respiration, diffusion, transpiration
Decomposition, diffusion, evaporation
Question 2(Multiple Choice Worth 3 points)
(04.05 MC)
Which statement best describes the role of animals in the water and carbon cycles?
Animals release carbon dioxide and water vapor as a by-product of cellular respiration.
Animals release carbon dioxide and water vapor as a by-product of photosynthesis.
Animals take in carbon dioxide and oxygen during cellular respiration.
Animals use oxygen to perform photosynthesis and release carbon dioxide as a by-product.
Question 3(Multiple Choice Worth 3 points)
(04.05 MC)
Which list below describes a possible path of rain through the water cycle?
Evaporation, condensation, precipitation, runoff
Runoff, ocean storage, evaporation, condensation
Transpiration, condensation, precipitation, runoff
Evaporation, precipitation, runoff, lake storage
Question 4(Multiple Choice Worth 3 points)
(04.05 MC)
What is the next phase of the carbon cycle for the carbon source labeled A?
Label A shows a collection of coal, oil and gas. Label B shows a collection of trees and vegetation. Label C shows sky and open atmosphere.
© Public Domain
Photosynthesis
Ocean storage
Fossil fuel emissions
Transpiration
Question 5(Multiple Choice Worth 3 points)
(04.05 LC)
Where is the last storage location for melted snow?
Rivers
Ocean
Streams
Mountains
Question 6(Multiple Choice Worth 3 points)
(04.05 MC)
What is a benefit of using nonrenewable resources?
Sustainable energy
No pollution
Clean fuel
Saves money
Question 7(Multiple Choice Worth 3 points)
(04.05 MC)
What is a possible cost of using renewable energy resources?
Non-sustainable energy
Habitat destruction
Costs less money
Fossil fuel emissions
Answer:
es ingles
Explanation:
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Where is ozone beneficial?
A. troposphere
B. stratosphere
C. mesosphere
D. thermosphere
Evaluate the biodiversity of the two ecosystems present below.
Ecosystem A: 100 organisms are present, consisting of 25 different species. The species are evenly distributed.
Ecosystem B: 100 organisms are present, consisting of 10 different species. One of the species accounts for 80% of the organisms present.
Which ecosystem has the higher biodiversity?
Answer:
A
Explanation:
A more diversity by the amount of species and even distribution of said species.
Fat digestion relies on which accessory organs
Fat digestion relies on which accessory organ is the Liver.
What is the feature of the accent organs of digestion?Accent organs of digestion are organs that secrete materials wanted for the chemical digestion of meals but through which food does now not truly pass as it is digested. besides the liver, the important accessory organs of digestion are the gallbladder and pancreas.
Accent digestive organs or systems aid digestion physically and convey secretions that break down foodstuff inside the Gastrointestinal tract.
The organs that help in digestion include the teeth, tongue, gallbladder, salivary glands, liver, and pancreas.
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Please answer!! i need help so bad. please!!!
The purple kernel is dominant over the yellow kernel and hence it has the genotype of homozygous dominant PP.
What is Genotype?Genotype may be defined as the ultimate combination of alleles of genes that are selected for specific studies.
If it has some offspring with purple kernels and some with yellow, the genotypes of the two parents are heterozygous dominant for the purple kernel, i.e. Pp and Pp.
And when these two parents are crossed with each other, the genotypes are PP, Pp, Pp, and pp. While the genotypic ratio is 1:2:1 (PP: Pp: pp), but the phenotypic ratio is 3:1 (Purple: Yellow).
Therefore, it is well described above.
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This organism is a single cell that was isolated from the human body, has no nucleus, and was causing the patient to be ill.
This organism is a single cell that was isolated from the human body, has no nucleus, and was causing the patient to be ill, in this case is a bacteria.
What is the concept of bacteria?
Bacteria are single-celled prokaryotic organisms that are included in the Archaea and Bacteria Domain. Bacteria are fairly simple organisms and belong, according to Whitta's classification of five kingdoms, to the Monera Kingdom.
In this case, Bacteria are prokaryotic and unicellular organisms, that is, formed by a single cell, without a nucleus and with membrane-bound organelles.
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When this cell divides to form two cells, which diagram shows the most likely
result?
I am 90% sure it is a
List at least 10 ways to maintain health care at home / community.
10 strategies for sustaining home or community-based healthcare are: consuming proper foods, maintaining a balanced diet, avoiding smoking and consuming alcohol, exercising on regular basis, taking necessary calories, Checking the blood pressure and other blood components on a routine basis, and using a mask or protection to prevent disease spread, and wash hands properly, maintain cleanliness in and outside the apartment, drink plenty of safe water.
Discussion about the strategies:
Consume a variety of foods, such as fruits, vegetables, legumes, nuts, and whole grains for healthcare.Limit your daily salt consumption to 5g, or roughly 1 teaspoon. It is simpler to do this by choosing low-sodium foods and by reducing the amount of salt, soy sauce, fish sauce, and other high-sodium condiments you use while cooking meals, removing salt from your meal table, avoiding salty snacks, and removing salt, spices, and condiments from your meal table.Less than 30% of our entire calorie consumption should come from fats. Necessary calories should be taken.There is no recommended safe amount of alcohol consumption. So, stay away from alcohol.The term "physical activity" refers to any skeletal muscle-driven movement that involves the use of energy. So, get moving.One term for high blood pressure is "silent killer". This is due to the fact that many people with hypertension could not be conscious of the issue as it might not show any symptoms. So be sure to check your blood pressure often.When you start to cough or sneeze, make sure your mouth is covered with a face shield or a tissue, and then dispose of it safely.Use bug repellent and dress in light-colored, long-sleeved shirts and slacks as a healthcare strategy. Use bed nets, door and window screens, and weekly cleanings to eliminate mosquito breeding grounds in your house.Take in a lot of clean water. Water-borne illnesses including typhoid, dysentery, hepatitis A, fever, and polio can spread through the use of contaminated water.The transmission of contagious diseases can be stopped by using clean hands. When the hands are obviously dirty, you should wash them by hand with soap and water or use an alcohol-based hand scrub.Learn more about healthcare here:
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In a balanced community, a population of prey can benefit from predators.
Which statement BEST describes how the population of mice can benefit from the snakes in this garden?
1. The snakes also consume moles, which allow the population of mice to increase
2. The snakes will consume only the mice best adapted to their environment.
3. The snakes provide an energy source for the mice.
4. The snakes keep the mice from overpopulating, which could deplete their resources
Answer:
4
Explanation:
Snakes make sure that mice population is controlled, so there is more food for other mice.
What is the typical sign that appears in the early ambulatory stage of Duchenne Muscular Dystrophy
The typical sign that appears in the early ambulatory stage of Duchenne Muscular Dystrophy are:
Constant muscle weakness that begins from the proximal muscles and pelvis and then affects voluntary muscles,The child loss interest in running, falling, toe walking, etc.Growing impairment with ADLs and mobility start around age 5 and unable to ambulate follows.what is the early ambulatory DMD?
The early ambulatory DMD is the first thing that happens or that shows when a patient have symptoms of the above.
It is known to be the waddling gait, Gowers' sign, and it is one where the person might toe walking, and constant struggle when climbing the stairs.
Newtons first law of motion states an object at rest will stay at rest unless a force acts on it it also states that an object in motion will stay in motion unless a force of X exponent newtons first law of motion is also known as the law of
Answer:
it is also known as the law of inertia
Explanation:
The property of a body to remain at rest or to remain in motion with constant velocity is called inertia. that's why it's called law of inertia
__ is a renewable form of energy that comes from plants
Answer:
Biomass
Explanation:
In most cases, it is organic waste. anything, including pig intestines, maize husks, and wood chips. The procedure can vary depending on what is burned specifically, but in a typical power plant arrangement, it is burned similarly to coal. Pollution (even if it is carbon neutral) and the plant's potential for intermittent feedstock supply, which reduces efficiency, are downsides. either carbon neutral or renewable In my opinion, it is renewable by definition. Although it is not carbon neutral, very little else is either. Solar and wind energy still have a carbon impact. Those still have a net gain even though they offset more carbon than their footprint (per current manufacturing). Although burning biomass has a positive carbon footprint, is it more carbon-neutral than burning coal and natural gas? Maybe. Burning biomass releases carbon dioxide into the atmosphere that has previously been stored. Through feedback processes, this sudden rise in carbon will lead to an increase in other GHGs. Cutting down young trees for this reason also eliminates a carbon sink, which doesn't replenish until 60+ years (or 100+ in certain cases). Other biomass sources have a quicker recovery time. It is possible for biomass to be net negative when combined with carbon capture. Its efficiency might be increased by using it directly for heating purposes. There are several factors to take into account while deciding whether to utilize it, such as which other sources it would actually counteract. Overall, it should be used sparingly and with continual consideration of the particulars.
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6. Two different populations of similar organisms are considered separate species when they are _____ isolated.
When two populations of similar organisms are reproductively isolated, then we consider them as separate species.
Species are formed when there is reproductive isolation between the different populations of similar organisms. Reproductive isolation can happen due to several factors such as environmental problems and natural calamities. Sometimes, a barrier arises between the two populations due to which populations of similar organisms get separated and the individuals of each population reproduce within their population. With time, their genetic makeup changes and they become separate species. The two species can have many similar characteristics. But, they will have genetic variations. For example- Solanum tuberosum and Solanum melongena are two different species but they have some common characteristics.Thus, when no reproduction occurs between the two populations from similar organisms, then they become different species.
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What is an anticodon?
the three bases on a tRNA that match up with mRNA
the three mRNA bases that code for an amino acid
the portion of DNA that codes for a protein
the bond between amino acids while they are in the ribosome
An anticodon refers to the the three bases on a tRNA that match up with mRNA; option A.
What is an anticodon?An anticodon is a complementary triplet of nucleotides which is found in tRNA molecules.
The anticodons are complementary to codons which are the triplets of nucleotides found in mRNA which code for a particular amino acid.
In conclusion, anticodons are complementary to codons.
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Which of the statements is most accurate about how individual atoms produce light?
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
One reason that multiple approaches are often taken to answer a testable question is that scientists
have different educational backgrounds and experiences.
want to determine the single best way to find an answer.
often look for the quickest way to answer the question.
get tired of using the same approach every single time.
A testable question uses multiple approaches as the scientists have different educational backgrounds and experiences. Thus, option A is correct.
What is a testable question?A testable question is a problem that can be answered and solved with the help of experimental design and through research studies. It uses the test and variables to compare the result of the experiment with the control group.
It uses multiple approaches to conclude the testable question as the scientists involved may be from various educational backgrounds and differs in experience over the subject work.
Therefore, multiple approaches are used to solve the testable question.
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If the father is allergenic and the mother
is not then the chances for a son is
15%
30%
60%
0.9%
Answer:
I think the correct qnswer for this question is 50% but it is not given in the option so the correct answer is 30 %
Thank you.........
Read the excerpt from Studies of Trees, by Jacob Levison.
The pines are widely distributed throughout the Northern Hemisphere, and include about 80 distinct species
with over 600 varieties. The species enumerated here are especially common in the eastern part of the United
States, growing either native in the forest or under cultivation in the parks. The pines form a very important
class of timber trees, and produce beautiful effects when planted in groups in the parks.
Which strategy does the author use in his choice of language to convey his message?
• facts and statements
© sequence of events
© conclusive evidence
• persuasive influence
Answer:
Gentle souls are often disguised by rough exterior
Explanation:
How do monosaccharides combine to form polysaccharides?
by removing oxygen (O2) from the monosaccharide molecules
by removing hydrogen (H2) from the monosaccharide molecules
by adding water (H2O) to the monosaccharide molecules
by removing water (H2O) from the monosaccharide molecules
Monosaccharides combine to form polysaccharides by removing water (H2O) from the monosaccharide molecules. This is called dehydration.
Many monomers of monosaccharides combine to form polysaccharides. For example- many monomers of monosaccharide glucose combine to form starch, which is a polysaccharide. When molecules of monosaccharides combine, the removal of water molecules takes place. This reaction is called a dehydration or condensation reaction.First of all, a disaccharide is formed due to a condensation reaction in which two monosaccharides combine and a glycosidic bond is formed. Then, many condensation reactions take place between disaccharides, resulting in the formation of polysaccharides.Hence, when several monosaccharides combine, they lose water, resulting in the formation of polysaccharides.
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