White-hot sparks from a fireworks sparkler are harmless when striking your skin because
A. the energy per molecule is very low.
B. they have a low temperature.
C. the energy per molecule is high, but the total energy transferred is small.
D. all of the above
Answer: C
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What is the main difference between soil horizons and sedimentary bedding?
A) Soil horizons are less consistent. B) Soil horizons form in place. C) Sedimentary beds have a greater variety of particle sizes. D) Sedimentary beds are harder.
Excessive seepage of groundwater can be a problem for:
a. masonry dams b. tunnels c. construction excavations d. all of the above
For the given conditions, what would happen to the relative humidity value if the
temperature increased from 25°C? A) It would remain the same. B) It would increase. C) It would decrease. D) It depends on the dew point temperature.
In comparison to light crude oil, which of the following statements is NOT true with respect to heavy crude oil?
A. most of the remaining oil reserves consist of heavier crudes. B. refining heavy crude oil is more expensive. C. heavy crude oil is more viscous. D. oil companies prefer heavy crude oil because it is more profitable. E. heavy crude oil is more difficult to extract.