The four major types of germs are bacteria, viruses, fungi, and protozoa. They can invade plants, animals, and people, and sometimes they can make us sick.
A multicellular organism develops from a single cell.
The answer is D,Nucleus I think
Explanation:
a thermocline is an abrupt temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures.
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Answer:
D. Building roads and houses
Explanation:
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