Is it possible to have 4 chromosome #23?

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Does masterbation affect height growth or loss of growth hormone?

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water