The greenhouse effect is
a. a natural phenomenon that allows heat to escape the atmosphere.
b. a natural phenomenon that to maintain earth's temperature
c. the result of the differences in the angle of the sun's rays.
d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere.

The greenhouse effect is  a natural phenomenon that allows heat to escape the atmosphere (option a).

Explanation:

The phenomenon by which certain gases, which are components of the atmosphere, retain part of the energy that the soil emits because it has been heated by solar radiation is called the greenhouse effect. It affects all planetary bodies endowed with atmosphere.

That is, the greenhouse effect is a natural phenomenon that occurs on Earth thanks to which the planet's temperature is compatible with life.

The sunlight that is absorbed by the earth's surface and returns to the atmosphere in the form of heat. There, greenhouse gases retain some of this heat and do not let it go outside; The rest escapes into space. It is this energy, which cannot escape the planet, that causes the surface temperature to rise.

When this process works naturally, the average temperature on the planet's surface is 15º C, and thanks to it, life becomes possible.

But by increasing the concentration of gases by work of man, the atmosphere retains more heat than necessary, causing the rise in temperatures, the melting of the poles, desertification, fires, storms and floods.

The greenhouse effect is  a natural phenomenon that allows heat to escape the atmosphere (option a).

bacteria that live on the ocean floor are sustained by phytoplankton. phytoplankton, microscopic marine photosynthetic organisms, have a vastly significant role to play not only in the marine food web of which they’re part of, but also on a more global scale. despite their infinitely small size in comparison to other marine organisms, these tiny creatures occupy an immensely important ecological niche: they are the foundation of the marine food web, and as primary producers, play key roles in supporting all other organisms in the marine environment, as well as in the regulation of the earth’s climate through the sequestration of carbon, oxygen production, and other related processes. phytoplankton account for roughly half of all global primary productivity; therefore, their significance extends far beyond the marine environment alone. there is an intriguing sense of irony in the realization that these tiny living beings that often live out their existence unnoticed and undetected by the rest of the world, have such a far-reaching impact on the lives of virtually all other living organisms on the planet, particularly on those in the marine environment. the world that we have become accustomed to has been and is continuously shaped by the workings of these miniscule yet vital “plants of the sea”.

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