Human had tail bone. It suggests that our ancestors a long time ago had tails

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

What is the relationship between absorbance of light and the rate of photosynthesis?

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule