Dependent or independent?

Which of the following is not a benefit of green revolution? a) new crop varieties b) increased crop yields c) cost effective d) new crops may require larger amonts of water than the previous ones.

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

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