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ivolga24 [154]
3 years ago
14

Alright, I’m begging someone for help plz

Biology
1 answer:
Mrrafil [7]3 years ago
5 0
Answer is C

Hope this helps
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On a molecular level why does lifting weights consume energy
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to contract a muscle, myosin and actin filaments shorten, requiring ATP binding and hydrolysis

Explanation:

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3 years ago
How does global warming affect the water cycle
Gennadij [26K]

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Climate change is likely hastening aspects of the water cycle as rising global temperatures raise the rate of evaporation globally. On average, higher evaporation leads to more precipitation. According to certain climate projections, coastal regions would get wetter while the center of continents will become drier.

Explanation:

There's many affects: three main ones are evaporation, precipitation, and surface runoff and stream flow.

You can see negative affects on Oceans, snowpack, clouds, and changes in water demand too.

Evaporation

Warmer air has the ability to store more moisture than chilly air. When a result, as the earth warms, the air will absorb more water from the seas, lakes, soil, and plants. The drier conditions left behind by this air might have a significant impact on drinking water supplies and agriculture.

On the other hand, the warmer, wetter air may imperil human life. Greater humidity, according to a research from Columbia University's Lamont-Doherty Earth Observatory, would make future higher temperatures unpleasant in certain regions by preventing the cooling benefits of our perspiration.

Precipitation

When all of that extra warm, more moist air cools, it pours more rain or snow on the earth. As a result, a warmer earth brings more rain and snowstorms. So far, the northeastern United States has seen the greatest rise in the severity and frequency of heavy precipitation events. Since 1979, thunderstorm groups in the Central United States have been more common and have dropped more precipitation.

Climate change will alter where precipitation falls by changing air temperatures and circulation patterns. Some regions, including the American West, Southwest, and Southeast, are anticipated to become drier. Meanwhile, the northern United States and the Midwest are forecast to receive more rain. These precipitation forecasts are already coming true.

According to the National Climate Assessment, the Southwest, southern Great Plains, and Southeast will see more intense and persistent droughts. And the majority of the rest of the country is also at danger of more severe short-term droughts. Researchers at the Earth Institute discovered that climate change may have already increased historical and current droughts, and that drier circumstances are exacerbating wildfires.

Changes in precipitation patterns will put many farmers, as well as natural ecosystems, in jeopardy. Columbia University's International Research Institute for Climate and Society scientists are developing tools and techniques to assist farmers in adapting to these difficulties. Natural ecosystems, on the other hand, may be unable to adapt as rapidly.

Surface Runoff and Stream Flow

Flooding can occur as a result of larger bursts of precipitation generated by warmer, wetter air, which can risk human lives, destroy houses, ruin crops, and harm the economy. Surface runoff — the water that pours over the ground after a storm — will also rise with heavier rainstorms. This rushing water may remove nutrients from the soil as well as sweep up pollutants, dirt, and other unwanteds, draining them into neighboring bodies of water. These toxins may contaminate our water sources and increase the cost of cleaning the water to meet drinking standards.

Furthermore, when runoff deposits sediments and other toxins into lakes and streams, it may endanger fish and other species. Fertilizer runoff may trigger algal blooms, which can suffocate aquatic species and create a nasty mess. The problem is exacerbated by warmer water, which can't store as much dissolved oxygen as fish require to thrive. These circumstances might impair fisheries and make it unpleasant for those who like fishing, swimming, and other recreational activities in lakes and streams.

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3 years ago
Under what environmental conditions would a zygote not undergo meiosis
sashaice [31]

A zygote will not undergo meiosis in an environmental state that is not favorable for the zygote’s survival i.e. the chance of the zygote to survive is not certain. Take for example, chlamydomonas will form a zygote under normal asexual mitotic reproduction in a favorable environmental condition. However, under unfavorable environmental conditions the organism also reproduce sexually to form a zygote but will never proceed to meiotic division because of the unfavorable environmental state.

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A (n) _______________ is an injection of weakened or dead viruses or bacteria, or pieces of proteins from weakened or dead virus
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<span>vaccine The wording given is pretty much the exact definition of a vaccine. The key to how a vaccine works is that it provides to the immune system, samples of the surface proteins of the infectious materials. With those samples available, the immune system is able to produce antibodies that react to those proteins.</span>
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Unity among humans in biology
Alexus [3.1K]

Answer:Stress that all living beings are systems. This is the main principle of the unity of life. A system has a unity that is not equal to the sum of its parts. ... Emphasize that the diversity of life has its roots in different conditions under which different biological organisms evolve and exist.

Explanation:

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