Answer:
To be honest the Atmosphere is 72 percent nitrogen and 25 percent oxygen and
The best answer is A. The purpose of the cell wall is to hold the cell in a specific shape, usually rectangular or square. For example, a plant cell's wall keeps it rigid so that the plant can stand up.
If the cell does not have a wall, it can easily change shape to accommodate for things coming in and out of the cell.
Hope this helps!
Carbon dioxide and water are converted into glucose and oxygen
Answer:
1. Polonium
2. Mercury
3. Arsenic
4. Francium
5. Lead
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