Answer:
Corona Virus is helping the environment because people aren't constantly driving around and polluting the air. The economy, however, is dropping due to people not working and not making money and therefore, not spending as much money.
Im not positive but I think it's b or c
The carbon that plants need for photosynthesis comes from carbon dioxide, or CO2 that's present in our atmosphere. Hope it helps
Answer:
I'm pretty sure the answer is natural selection.
Explanation:
Natural selection acts on phenotypic variations in populations.