What does a galvanometer measure?
A. electric voltage.
B. magnetic fields.
C. electric current.
D. none of the above
Answer: C
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If the rate at which we produce CO2 were to stop rising, the levels of CO2 in the atmosphere would
A) eventually level off. B) continue to rise. C) decrease as CO2 is absorbed by plants, soils, and the oceans. D) This cannot be reasonably predicted.
If the age of a mountain range is inversely proportional to its height, in what two regions are the youngest mountain ranges found today?
A) The circum-Atlantic belt and southern Europe/Asia B) Western South America and the Appalachians of North America C) The circum-Pacific belt and southern Europe/Asia D) Scandinavia and Eastern Africa
Which of the following is true if a diet provides an adequate supply of sugars?
A) Most of the energy required by the body is obtained from fatty acids. B) The available supply of sugar has no effect on the b-oxidation pathway. C) The b-oxidation pathway is inhibited. D) The b-oxidation pathway is mobilized.
Boreal forests are also known as ____
a. taiga b. tundra c. patterned ground d. El Niño