Answer: A
Explanation:
The nucleus provides the instructions for making the proteins (the DNA) and the ribosomes are actually where the proteins are made.
The main idea is that microorganisms are small and they live everywhere possible.
Answer:I think they would die from not doing anything.
Answer:
Overreacts to an antigen.
Explanation:
Thats what an allergy is if you think about it
Answer: Paleozoic
Explanation: The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great change on Earth. The era began with the breakup of one supercontinent and the formation of another plants became widespread. And the first vertebrate animals colonized land.