Explanation:
The flow of the river is dependent upon the position along the stream in terms of the gradient. Near the top of a high gradient, the flow will be less than that near the bottom. Likewise, the steeper the river's gradient, the faster the flow of water (due to the pull of water down the gradient by gravity).
Explanation:
External plant structures such as leaves, stems, roots, flowers, fruits and seeds
The answer is A. a cell
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B. The area's climate
Specific plants need specific climate conditions in order to survive. The other answer choices have little to no impact on the growth of plants.
Oxygen, water, some type of resources to build, and food to eat
