The part of the cell that act like your skin is the A. membrane
B. protoplasm
C. nucleus
D. nerve
PLEASE HELP MEEE

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

Speed is the ratio of the distance of an object moves to

In pea plants, yellow seed color (y) is dominant and green seed color (y) is recessive. based on the punnett squares, what are the chances that the offspring in the second generation will have green seeds? first generation y y y yy yy y yy yy second generation y y y yy yy y yy yy there is a % chance that the offspring will have green seeds.