What do these amendments to the the constitution have in common ?

Chicken pox and hepatitis are bacterial diseases. true or false?

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

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