B, Gases. The gases create an insulation around the planet so it keeps in heat from heat sources.
<span>300BC was the approximate year.
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Nematodes<span> are the bacterial feeders, fungal-feeders, plant parasites, predators, and omnivores.</span>
<span>Carbon is the building blocks of all living molecules. With the ability to form carbon-carbon bonds, many different compounds formed into different structures can be used for different purposes such as macromolecules. </span>
I wanna say it’s b but if not I’m so sorry !