Ask Question
18 August, 09:45

Most of the Earth's oxygen occurs in the form of minerals in the crust and mantle. The oxygen that is available in the atmosphere is used primarily by plants, animals, and bacteria to perform cellular respiration. Why is running out of oxygen still not a real concern?

+5
Answers (1)
  1. 18 August, 11:12
    0
    There are plenty of plants producing oxygen by photosynthesis.

    Also, human's only use 5% of the oxygen in the air in respiration, there is 21% in the air.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Most of the Earth's oxygen occurs in the form of minerals in the crust and mantle. The oxygen that is available in the atmosphere is used ...” in 📘 Biology if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers