What are the two major types of weathering?
A. Abrasion and solution.
B. Chemical and biochemical.
C. Physical and abrasive.
D. Mehcanical and physical
Ans: D. Mehcanical and physical
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____________________ provides greater conversion efficiencies than traditional generation methods because two useful forms of energy are produced from the same fuel source.
Fill in the blank(s) with the appropriate word(s).
Which of these food items can give you the largest dose of mercury?
A. albacore tuna sandwich B. peanut butter and jelly sandwich C. ham and goat cheese sandwich D. meatball sandwich
Part of the reason that precipitation is more acidic in the northeastern United States is:
A) many factories are using shorter chimney stacks. B) water vapor contributed by the Great Lakes is naturally more acidic. C) local pollution is compounded by pollution drifting in from upwind population centers. D) the local vegetation influences the acidity of rainwater forming in the region.
When magma rises toward the surface, pressure decreases can lead to release of dissolved gases in a magma with a volume increase that can produce an explosion
Indicate whether the statement is true or false