13. which of the following substances releases h+ into a solution

What type of cell is produced after fertilization occurs and the gametes combines ?

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

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