If it was made of pure oxygen, plants could not intake enough carbon, so they cannot give oxygen. This would ruin the entire cycle of life on land.
I hope this helps!
Answer:
Asia, Australia, North and South America
Explanation:
You are correct the answer is 1-H, 2-P, 3-P, & 4-H.
Hope I helped!
Ms.Weasley
For the first question, it is cos48=2/3
