Two important natural processes that release carbon into our atmosphere are photosynthesis and respiration.
Viruses need to be inside a living thing (of course the living thing has to have the right temperature which most living things do) . When they're inside a living thing they start injecting the host's cells with its DNA in order to make more copies of itself which allows the virus to spread. So basically viruses need to be inside something living.
This is true , trees loose their leaves as a part of growth, also in seasons they loose leaves.
Either C or D. I think C, but I'm not too sure...
the highest humidity would be texas i know that for sure but on here i'd say it is arizona