What explorer’s expeditions used rope with a weight attached to determine ocean depths?
a. Eratosthenes
b. Ferdinand Magellan
c. Sir James Clark Ross
d. Christopher Columbus
e. James Cook
c
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Which country in Sub-Saharan Africa has the largest population in the region?
A) Nigeria B) Angola C) Ethiopia D) Kenya E) South Africa
Referring to Newton's second law of motion, which of the following determines the acceleration of the object?
A. force and mass B. temperature and mass C. force and temperature D. mass and density
Which of the following convective clouds produces substantial precipitation?
A) cumulus B) cirrocumulus C) altocumulus D) cumulonimbus E) none of the above
Which of the following is true in the United States?
a. Democrats are more likely to support this climate change pact than Republicans. b. Neither Democrats nor Republicans are likely to support this climate change pact. c. Both Democrats and Republicans are likely to support this climate change pact. d. Republicans are more likely to support this climate change pact than Democrats.