B because mountains are north for sure
Answer:
Over hunting would severely hurt and endanger the buffalo population. The slaughter of the buffalo might also cause the population of the Native Americans down.
Explanation:
It would hurt the buffalo, because the less of them, the harder it is to repopulate, but then the native Americans really depend on the buffaloes, they use them for everything, clothes, food, utensils, tools, and even containers!
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Answer:
Urea is a <u>nitrogenous</u> substance
Explanation:
Urea is a substance that is formed in the body during the processing of proteins and nitrogen compounds in the liver, and that we generally excrete through urine and sweat. If it is not eliminated properly, the levels of urea in the blood rise above normal (uremia) and this causes health problems that especially affect the liver - the organ responsible for processing proteins - and the kidneys (which must filter the final waste product), and that without treatment can become serious, and even cause the death of the patient.
