The most peaceful eruptions are ________ eruptions.
A. Strombolian
B. Icelandic type
C. Plinian
D. Vulcanian
E. Surtseyan
Answer: B
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Herringbone crossbeds develop in tidal flats because ____
a. alternating cycles of wet and dry conditions b. a large supply of fine sediment is available c. a large supply of coarse sediment is available d. tidal inflows and outflows e. sediment frequently washes over
The Conservation Reserve Program pays farmers to ________
A) stop growing tobacco B) stop cultivating highly erodible land C) experiment growing new varieties of GM crops D) pasture cattle instead of growing crops E) grow native crops such as corn and beans
The general scientific consensus is that if levels of human-caused emissions continue to increase, what will happen?
a) overall, Earth will get cooler and the global distribution of climate patterns will change b) overall, Earth will get warmer and the global distribution of climate patterns will stay the same c) overall, Earth will get warmer and the global distribution of climate patterns will change d) overall, there will be no effect on the planet in regards to temperature or climate patterns
This radar image of a crater on Venus shows
A. an area of light-colored, smooth rocks around the crater. B. a central area of dark-colored hematite surrounded by light-colored feldspar. C. the roughness of the materials, but does not indicate whether the rocks are light or dark colored. D. that the crater contains dark-colored, rough rocks.