Answer:
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The addition or removal of heat changes the temperature of an object. The temperature can cool down or it can warm up.
The answer is C because, Ecoregions cover relatively large areas of land or water, and contain characteristic, geographically distinct assemblages of natural communities and species.
Prokaryotic cells reproduce asexually which makes it easier for them to multiply because all they have to do is split in half where as eukaryotic cells reproduce sexually so they have to find another cell to meet with in order to reproduce.
They're called Enzyme. They're made up of proteins. They act as a biological catalysts that can speed up chemical reaction. They have an active site that certain substrates binds into it and form a product. Enzyme works under optimum pH and temperature and the active sites are not changed unless denatured.