Boys need 2,400 to 3,200 a day, while girls need 1,800 to 2,400 a day.
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Answer:
The control variable is the soldier.
Explanation:
The same soldier is used throughout the test
Perhaps the best known unconfined aquifer is the Ogallala. In many places this aquifer is near the surface and recharge depends on water that collects at the surface in wetlands. ... A playa lake is a naturally occurring wetland (averaging about 17 acres) formed when rain fills small depressions in the prairie. (https://texasaquaticscience.org/aquifers-springs-aquatic-science-texas/)
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Answer:An inorganic compound is a substance that does not contain both carbon and hydrogen. A great many inorganic compounds do contain hydrogen atoms, such as water (H2O) and the hydrochloric acid (HCl) produced by your stomach.
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Answer:
Explanation:Certain elements, such as carbon and nitrogen, are recycled in nature and are released through the _________ of living things.
metabolism
decomposition
