Rocks of the continental crust are composed mostly of sial, while rocks of the ocean crust are predominately sima. What is the significance of the distinction between these rock types?
What will be an ideal response?
Answer: Sial is less dense than sima, and the continents lie at a higher elevation as a result.
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Surface water from a watershed will become groundwater when it infiltrates the ground.
Answer the following statement true (T) or false (F)
Which region is an area known for dairy farming?
A) Appalachia B) rural Canada C) the Midwest & the Northeast U.S. D) the Southeast U.S. E) the Deep South of the U.S.
The temperature of a rising air parcel
a. always cools due to expansion. b. ?always warms due to expansion. c. ?always cools due to compression. d. ?always warms due to compression. e. ?remains constant.
In a mixed forest, where are deciduous trees found as compared to evergreens?
a. on the soil with more clay b. on less acidic soil c. on the thicker soil d. on shallower slopes e. at lower elevations