Can anyone help me? I’m stuck

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

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

Describe the impact of deforestation of both abiotic and biotic factors within the tropical rainforest.