Which of the following is not true of the vernal equinox?
A) It occurs in March in the Northern Hemisphere
B) It occurs in September in the Southern Hemisphere
C) All locations on Earth experience 12 hours of daylight
D) Locations above the Arctic Circle experience 24 hours of daylight
E) Both Tropics experience the same intensity of the Sun's rays
Answer: D
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Muscles are connected to bones via
A. motor neurons. B. tendons. C. acetylcholine. D. joints.
Who led the Bolshevik Revolution in 1917?
a. Stalin b. Lenin c. Tsar Nicholas II d. Catherine the Great e. Putin
Which of the following is a correct IUPAC name?
A) 4-ethyl-1-methylcyclohexene B) 5-ethyl-2-methylcyclohexene C) 1-methyl-4-ethylcyclohexene D) 5-methyl-2-ethylcyclohexene
The heat energy in a pound of body fat is 3500 Calories. If a woman's diet has an average caloric intake of 2500 Cal/day, by what percentage must this be reduced if she wishes to lose 10 pounds in 30 days? [Assume that her level of physical activity remains the same during the 30 days as it was before dieting began.]
A) 7.1% B) 14.2% C) 46.7% D) 53.3%