Which of the following statements regarding walruses is correct?
A) Their hair is hollow for better insulation.
B) Their sharp claws are used for hauling themselves onto icebergs.
C) Their tusks are used for prying and killing.
D) They have ivory tusks up to 1 meter long.
E) They lack an insulating layer of blubber.
D
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Urban areas with poor sanitation and numerous health risks will generally have a low ____________________
Fill in the blanks with correct word
The Caledonian orogeny was a phase of the Cordilleran orogeny. Indicate whether the statement is true or false
The species most likely to be affected if the water temperature increases from 74°F to 80°F would be ________
A) both the desert pupfish and the rainbow trout B) neither the desert pupfish or the rainbow trout C) the Antarctic ice fish, the rainbow trout, and the desert pupfish D) the rainbow trout E) the desert pupfish
When we breathe we inhale oxygen, O2, and exhale carbon dioxide, CO2, plus water vapor, H2O. Which likely has more mass, the air that we inhale or the same volume of air we exhale? Does breathing cause you to lose or gain weight?
A. The air we exhale has more mass; breathing causes you to lose weight. B. The air we inhale has more mass; breathing causes you to lose weight. C. The air we exhale has more mass; breathing causes you to gain weight. D. The air we inhale has more mass; breathing causes you to gain weight.