Which of the following can have a significant effect on a river?
A) rises and drops in sea level
B) tectonics
C) types of bedrock in the river
D) changes in climate
E) All of these are correct.
E) All of these are correct.
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A negatively charged rod is brought near a metal can that rests on a wood table. You touch the opposite side of the can momentarily with your finger. The can is then
A) positively charged. B) negatively charged. C) uncharged. D) charged the same as it was.
What influences contour currents?
A) Salinity B) Density C) Topography D) Trade winds
An object weighs 75.7 kg. What is the weight of this object expressed in the English system? [1 pound = 453.6 grams]
A) 16.7 pounds B) 167 pounds C) 343 pounds D) 34.3 pounds
Glaciers form because of the accumulation of large amounts of ice and snow. Which of the following provides the most water needed to create glaciers?
A) Groundwater B) Geysers C) Oceans D) Streams