Answer: an organ that secrets chemical substances
Explanation: got correct on edge2020
The answer is b. Oxygen is not present in anaerobic exercise because it is high intensity low duration.
I believe your answer is (1) my friend. Good luck!
<span>A British clergyman and economist named THOMAS MALTHUS predicted that populations would grow at a very rapid rate (exponential rate and that the production of food and other vital resources would increase at a much slower rate. as a result, human populations would be subjected to a variety of checks on population growth such as warfare, famine, and disease.</span>
