Quarrying and solar evaporation are included in which type of mining?
smelting
surface
placer
subsurface

Nerve cells are specialized to respond to stimulitrue or false?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

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