Is H2O --> H2 + O2 balanced

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

What is the term for a water wave that is created by an underwater earthquake?

Why should organisms reproduce more offspring than will survive? select all that apply.