The Earth's electric field carries about ________ times the current of a North American home
A) 2
B) 10
C) 100
D) 1,000
Answer: B
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The physical geography of sub-Saharan Africa is best described by
A) numerous mountain ranges which soar to the highest elevations on the planet B) a series of plateaus and elevated basins C) a series of rift valleys that traverse the continent from east to west, creating a high mountain range through the Sahel D) tropical lowlands that stretch across the continent E) the presence of a high mountain range that runs the length of the continent, like the Andes in South America
Thunderstorms are most likely to occur when the atmosphere is absolutely unstable
Indicate whether the statement is true or false
Which scientist developed the idea of continental drift?
A) Isaac Newton B) Charles Darwin C) Albert Einstein D) Alfred Wegener
Compare and contrast the patterns of life in the Paleozoic Era to the Mesozoic Era. What are the major differences between these two eras? Are there similarities or similar trends?
What will be an ideal response?