<h2> hope it helps.</h2><h2>stay safe healthy and happy.</h2>
OK, richness you do have to depend on any one
Answer:
1. C. Ecosystem
Explanation:
An ecosystem consist of living and nonliving things
It should be Ozone, hope that helps.
Trees release CO2 which is Oxygen.
Plants release water vapor through Photosynthesis.
Answer: A. Cerebrum
Explanation:
The cerebrum which is located below the cerebral cortex serves as the main thought and control center of the brain. It is the seat of higher-level thought like emotions and decision making (as opposed to lower-level thought like balance, movement, and reflexes). It is known as the higher brain center