Different amount of species in an area.
I would go with the cell membrane In this case as the cell membrane is like skin
- Hope you can brainlest this answer
The amplitude of a wave is the distance between a point on one wave and the identical point on the next wave. The period and wavelength of a wave are inversely proportional.
Answer:
I think the answer is 4) 41
Explanation:
APE= atomic number, proton and the electrons are the same number
MAN= mass = atomic number - neutrons
121 - 80 = 41
i haven't done this in a while so hope this helps :)
The answer is 5.4! I found it on a an online calculator!