Please help, I really need a good grade I'm currently failing. ​

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

Describe the trends in electron configuration in the periodic table by selecting the terms from the drop down menus

Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?