How many moles of sugar, C12H22O11, are there in 200. grams?
A. 0.585 moles
B. 1.71 moles
C. 68,400 moles
D. 0.684 moles
Answer: A
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The study of the ocean's past is referred to as ____
A) stratigraphy B) geology C) paleogeochemistry D) paleoceanography
Explain how the problem of chaos makes it difficult to have truly accurate weather forecasts
What will be an ideal response?
When you exercise, you can feel your body getting warmer, perhaps even starting to sweat. Why does exercise make you warmer?
A) Glucose oxidation speeds up during exercise to power muscular activities, and as a byproduct, extra heat is generated. B) Your body is using anaerobic respiration, which releases more heat than oxidation. C) More glucose is synthesized, requiring additional heat. D) Your body is using fermentation to produce alcohol, which takes heat to break down.
Aquatic animals such as fish and frogs are especially good indicators of water pollution because ________
A) all chemical toxicants are found in water B) these organisms are the most abundant on Earth C) they are easy to catch D) the metabolism of these organisms is most like ours E) most chemicals are water soluble so they enter these organisms through drinking or skin absorption