Of the following, which affect the quantity of nutrients required to maintain good health?
A) age
B) body weight
C) degree of physical activity
D) all of these
D
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Most wildlife experts believe that the United States needs a new law that
A. is designed to protect particular species. B. is designed to protect and sustain biodiversity and ecosystem function. C. is weaker than the Endangered Species Act D. emphasizes the use of seed banks and captive breeding over habitat protection. E. bans egg pulling
Why does seawater evaporate more slowly than freshwater?
a. The latent heat of evaporation is higher for seawater than freshwater. b. The dissolved salts attract and hold water molecules. c. The latent heat of evaporation is higher for freshwater than seawater. d. Salts are evaporating along with the water. e. The latent heat of vaporization is higher for seawater than freshwater.
Sediments derived from land are called ________. Most that make it into the sea are deposited in the ________
a. hydrogenous; continental margin b. terrigenous; continental margin c. terrigenous; deep seafloor d. hydrogenous; deep seafloor
A hemisphere spans 180 degrees on Earth
a. True b. False Indicate whether the statement is true or false