Radioactive isotopes are use to determinate the [blank) age of rocks

Which muscle is responsible for inhalation ?

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

How does the color of light affect the germination time (amount time a plant takes to develop) of a radish seed?