Under normal conditions it is not toxic
Adding ammonium nitrate to water turns the mixture cold and is a good example of an endothermic chemical reaction
Top-down effects imply control through predation, including fishery, while
bottom-up effects imply control through food abundance, often thought to be driven by climate or nutrient load.
<h3>What is Top down regulation ?</h3>
The top-down effect refers to a higher trophic level influences the community structure of a lower trophic level through predation.
<h3>What is Bottom up regulation ?</h3>
The bottom-up effect means that a lower trophic level in the biological network affects the community structure of higher trophic levels by means of resource restriction
Learn more about Top down and bottom up regulation here:
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Answer:
Valence
Explanation:
In an atom, the electrons at the outermost energy level is called as valence electrons. It is the valence electrons which participates and interacts with the other atoms and form bonds. The valence electrons of an atoms are important as they depict the chemical properties of an element.
Thus the valence electrons resides the outermost shell and surrounds the atomic nucleus.
Abnormal cellular growth is caused by DNA mutations that divide in a much higher rate than normal
Your answer is <span>C: select a wide variety of whole foods to get a balance of vitamins.
Using whole foods to get vitamins instead of taking vitamin pills allows your body to achieve better absorption rates of the vitamins thus increasing the effectiveness of the benefits.</span><span />
