Question

(4) Why is a cell? please
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Answer 1

Explanation:

The first World War was the first modem industrial war. In this war, machine guns, tanks, aircrafts, chemical weapons were used on a massive scale. ships and trains. About 9 million civilians died and 20 millions were injured.

Answer 2

Answer:

Cells are the basic building blocks of all living things. The human body is composed of trillions of cells.

Explanation:

hope it helps you.