The pattern of magnetic anomalies across mid-oceanic ridges can be described as:
a. random
b. asymmetric alternating crustal bands of similar polarity
c. symmetric alternating bands of similar polarity
d. opposite polarity on opposite sides of the ridge
c
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The original purpose of parks in eastern U.S. cities was to ________
A) provide open places for picnics and games, such as football, cricket, and lawn tennis B) provide wildlife sanctuaries within cities C) protect passenger pigeons, Carolina parakeets, and other rapidly declining species D) provide protected places for hunting foxes, birds, and deer E) provide a European style experience of the beauty and intimacy of formal landscapes
How much material is accreted to Earth from outer space on a daily basis?
A) 1,000,000 dust particles per day B) 10 grams per day C) 100,000 kg per day D) 10,000 liters per day
Desert soils have very poorly developed horizons.
Answer the following statement true (T) or false (F)
What laws has the federal government adopted to control solid-waste disposal?
What will be an ideal response?