I think the answer is two
The main treatments for cancer are radiation, surgery, and chemotherapy.
More co2 gas would be found in earth’s atmosphere.Because of less oxygen produced by plants
Hope it helped༼ つ ◕◡◕ ༽つ
Directional selection I'm pretty sure hope it helps!
HI!
I am 99% sure cerebrum is your answer. Please tell me if I'm wrong.
Goo Day