A dependent variable in biology is the variable that depends on the other variables...
I think A is the youngest layer, because of the new sediments that fell upon the animal.
Answer:
It only allow certain material to enter the cell
Answer:
Mohs hardness scale is a scale comparing hardness of rocks. There are 10 marker rocks 1-10. They are used to find the relative hardness of the other rocks.
Explanation:
D. Eating foods full of sodium, salts, fats and sugars can contribute to all of these.