Select the equations that are equal to each other. 325-139
154+32
287-108
208-182
98+88

Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:

An easy way to calculate the amount of energy available at each level is to what?

What is the role of the phospholipid belayer in cellular transport in living cells