What do you call the part of an experiment that does not receive the variable and is used for comparison?

Prior to the mt. st. helens eruption on may 18, 1980, satellite and topographic views of the volcano were captured. based on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m? question 9 options: 600 m 400 m 750 m 500 m

The largest unit within which gene flow can readily occur is a

Autonomous underwater explorers will be used to gather large-scale ocean information select the best answer from the choices provided ot