The scientist who is said to have discovered all the four nitrogenous bases present in the DNA of all organisms is, Erwin Chargaff, an Austro-Hungarian biochemist who immigrated to the United States. Hope this helps!
Answer:
the condensation of water vapor as it touches a colder surface.
Explanation:
Answer:
B. The spinning motion of Earth.
I think it is A because they can just destroy it but D is finding something natural to kill it off but it is GM so it wouldn't help so A