a variable is the right answer
well it is not exactly essentioal but salmon need it
Answer: Geologic Eplift and Erosion
Explanation: This happens due to geologic uplift and the erosion of the rock and soil above them. At the surface, metamorphic rocks will be exposed to weathering processes and may break down into sediment. These sediments could then be compressed to form sedimentary rocks, which would start the entire cycle again.
Good luck! You are smart and you can accomplish anything!
Answer:
Phototropism is an important light response in plants. Positive Phototropism leans towards the light and negative Phototropism growth away from the light.
Explanation:
<span>Organisms
that expend energy to regulate some or all of their internal conditions are
known as regulators. Regulators are organisms that can control their internal
environment regardless of external environmental change. Regulators achieve this
by homeostatic mechanisms and it requires a lot of energy. Examples of
regulators are mammals and birds</span>
