Answer:
a. pepsin
Explanation:
it has a 1 to 2 level which is acidic because anything lower than 7 is acidic
Meteors is the correct answer. I’m just going to talk more to get this 20 word limit over so yeah no problem
Answer:
The genetic variations that are best suited for their enviornment
Explanation:
Those that are not well suited for their environment will die off, leaving only the ones that are suited for it. This species will slowly take hold until the species has adapted and become a completely different one.
The atom you are discussing here is Nitrogen.
Nitrogen has an atomic mass of 14.007
Brainliest please :)
Two important factors is temperature and liquid water.
