Answer:
D
Explanation:
The gradient in bed load is mostly made up mostly of gravels and sands, broken down versions of larger boulders and rocks, which are most commonly found in mountainous areas. Streams with low gradients cannot carry bed load down stream because it moves slowly and without much force. Gravels and sands couldn't move downstream because the water flow isn't strong enough to move them or to keep them in motion.
I believe the Answer is C. Herbaceous or wood stems because the stem, hold up the flower and leaves into the sun light for energy/food.
The most probable answer and the most likely to be the correct one would be D. Mitosis.
The cell cycle is divided into interphase and mitosis. In mitosis, what happens is the actual splitting of the cell into two, with identical genes from the parent cell. Although there is still some that undergo cytokinesis, usually the interphase part of the cell cycle and the mitosis part of the cell cycle is on the spotlight and the cytokinesis part of the cell cycle is left unattended.
THE ANSWER TO YOUR QUESTION IS THAT WATER IS A (raw material)