Answer:
Nutrients as Limiting Factors
The availability of specific nutrients dictates organismal growth by controlling and limiting activation of cellular and metabolic pathways necessary for progress. The production of necessary components if often controlled by the presence and concentration of a limiting nutrient.
Monongahela River, Ohio River, and Allegheny River.
From what I have learned it should be answer: A
As with igneous and sedimentary rocks, metamorphic rocks are classified on the basis of texture (grain size, shape, orientation) and mineral composition. However, the classifiction of metamorphic rocks is more difficult to get into than with igneous and sedimentary rocks, for a couple of reasons.
Answer: The answer is A:
Explanation: I dont have an explanation
