Some traits are inherited and some are acquired. Which of the following is mostly an acquired trait? A. eye color
B. hair texture
C. large muscles
D. skin color

In what for do plants utilize nitrogen? why do they need nitrogen?

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

The carrier molecules of the electron transport system are located in the