We grow the vegetation and we get our oxygen from plants and vegetation.
I think its True hope this helps
Answer:
The evidence that supports the big bang theory is that uniform background radiation, known as cosmic microwave background radiation, is detected coming from all parts of the sky. Most galaxies are moving away from us except for the Andromeda galaxy. In fact, the galaxies that are farthest away are moving away from us the fastest.
Explanation:
They can learn from other scientists mistakes and build off successes or failures.
