Answer:
Shutting down factories that discharge materials to the rivers.
The largest sum of US pollution currently caused by factory-related substance
Explanation:
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Yes, FDG is highly radioactive because the excretion of FDG makes urine extremely radioactive.
I think it's A.
phenotype frequency is the number of individuals in a population that have a specific observable trait or phenotype
The neurotransmitter that functions to stimulate skeletal muscle cells to contract but slows contractions of the heart is acetylcholine.
<h3>What is a neurotransmitter?</h3>
A neurotransmitter is a chemical messenger that transmits information through nerve cells or neurons, and acetylcholine functions to contract smooth muscles.
In conclusion, the neurotransmitter that functions to stimulate skeletal muscle cells to contract but slows contractions of the heart is acetylcholine.
Learn more about neurotransmitters here:
brainly.com/question/26387085
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Transport proteins move objects and materials into and out of the cell that are either too large, or too polar to cross the membrane on their own. This process is also passive by the way - meaning no ATP is required.
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