Scientist have found proof of aliens being real. Aliens aren’t necessarily green things with big heads. But, I’m going to go with yesZ
Answer and Explanation:
Number 20 is correct. When something using oxygen, it is aerobic.
For number 21, the answer would be anaerobic. When things doesn't have oxygen, it is anaerobic.
<u><em>#teamtrees #PAW (Plant And Water)</em></u>
Answer:
survival advantage, against malaria fatality
Explanation: