On this graph of discharge versus season for a river in the Rocky Mountains, why is the highest runoff likely to be in the spring?
A) Winter snow melts in the spring.
B) The Rocky Mountains have many tornadoes during the spring.
C) The Rocky Mountains experience hurricanes in the spring.
D) All of these are correct.
A) Winter snow melts in the spring.
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Using the world biome map outside the back cover of this lab manual or the one in your textbook, determine:
Current representative biome (terrestrial ecosystem) characteristic of the region: MB/MF ; Characteristic vegetation: ____________________________ Projected representative biome (terrestrial ecosystem) characteristic of the region: MB/MF ; Characteristic vegetation: ____________________________
This worldwide ocean surrounded the late Paleozoic supercontinent:a
Pangaea d. Avalonia b. Panthalassa e. Catskill Delta c. Laurasia
The length of time preserved in Grand Canyon rocks is about:a
10,000 years. b. 100,000 years. c. 1 million years. d. 1 billion years. e. 10 billion years
Sulfide minerals are potential environmental hazards because
A) they are weak minerals B) they are rich in calcium, which contributes to water degradation C) they can combine with oxygen and water to form sulfuric acid D) they are important sources of iron