The nation played with fate for nearly 180 years because
a. eight presidents died in office.
b. the presidential succession act had not yet been passed.
c. no constitutional or congressional provision defined presidential disability.
d. the president could not fire the vice president.

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