10 POINTS PLZ HELP ME THIS IS THE ONLY ONE I NEED HELP ON AND THEN I CAN TURN IT IN IF ITS RIGHT ILL GIVE BRAINLIST

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

Acommon kind of mechanical weathering is called

Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.