What can be used to determine if two rock layers were deposited at the same time?

Describe pasteur’s results and how they disprove spontaneous generation.

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

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