Farmers often grow legumes such as soybeans every few years and plow much of the plant parts into
the soil. This practice serves mainly to replenish the soil with useful forms of
a. carbon.
b. nitrogen.
c. phosphorus.
d. oxygen.
e. manganese.
B
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Metabolism is a unifying characteristic of all cellular organisms
Indicate whether the statement is true or false.
What contributes to muscle fatigue?
a. lactic acid buildup b. glycogen depletion c. both lactic acid buildup and glycogen depletion d. loss of nerve innervation e. stretching a muscle
Species of dinoflagellates are responsible for much of the phosphorescence seen in ocean waters at night.
Answer the following statement true (T) or false (F)
Why is the second stage of a dengue infection of concern?
A) Vomiting can lead to dehydration. B) Nausea can be a symptom of the virus getting past the blood brain barrier, infecting the brain, and quickly killing the patient. C) Body aches and extreme abdominal pain can indicate an intestinal perforation. D) A high fever can lead to dehydration. E) Hemorrhagic features may develop and lead to shock, organ failure, and eventually death.