Decomposers are necessary to the food chain because they break down the results of the food chain into the basic elements that producers can then use to begin the process over again. Decomposers include groups of bacteria that help to speed up the decaying process of dead plants and animals.
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The statement that is likely to occur in the future is new ethnicities will be formed, and old ethnicities will merge into one. The correct option is b.
<h3>What is ethnicity?</h3>
Ethnicity refers to a group's cultural identity, which is generally based on shared ancestry, language, and cultural traditions, whereas race refers to a taxonomic grouping based on physical similarities among groups.
The idea of race refers to the division of humans into groups based on diverse sets of physical features, as well as the process of assigning social significance to those categories.
Ethnicity describes a people's culture in a certain geographic area, encompassing their language, background, religion, and customs.
Therefore, the correct option is b, New ethnicities will be formed, and old ethnicities will merge into one.
To learn more about ethnicity, refer to the link:
brainly.com/question/12084761
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Can you be a little more descriptive? Thanks
The inhalation of mercury vapor can produce harmful effects on the nervous, digestive and immune systems, lungs and kidneys, and may be fatal. Mild, sub-clinical signs of central nervous system toxicity can be seen in workers exposed to an elemental mercury level in the air of 20 μg/m3 or more for several years.
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I honestly don’t understand the question, I just did a random guess