Electromagnetic waves that are very harmful to living things include radio waves light waves infrared rays gamma rays

When creating a graph, the goes on the x axis and the goes on the y axis. a. dependent variable, independent variable b. experimental group, control group c. independent variable, dependent variable d. control group, experimental group

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?