Which of the following accurately describes aquaculture?
a. Farmed fish need not be fed to sustain the practice.
b. It provides about 50 percent of the world’s fish for consumption.
c. It is successful in freshwater lakes but not in ocean waters.
d. Currently available technologies cannot yet make it sustainable.
e. As a practice, it little energy.
Answer: B
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Indicate whether the statement is true or false
Which water-soluble vitamin can regenerate vitamin E after it has been oxidized?
A) vitamin B12 B) folate C) vitamin D D) vitamin C
Carbohydrates, lipids, proteins, vitamins all contain
A) carbon, nitrogen, hydrogen. B) carbon, hydrogen, oxygen. C) carbon, nitrogen, oxygen. D) carbon, minerals, hydrogen.
An athlete is most at risk for hyponatremia if
A. he or she sweats excessively and drinks excessive amounts of water. B. he or she sweats excessively and drinks sports drinks containing glucose and sodium. C. he or she consumes a diet adequate in sodium and competes in events lasting 1 minute or less.