Plate tectonics differs from continental drift because it
A) provides a credible driving force.
B) did not explain the fit between South America and Africa.
C) showed that ancient ice sheets did not exist.
D) showed that Pangaea broke up much later than predicted.
Answer: A
You might also like to view...
Compact fluorescent bulbs cost $10 per bulb and last 10 years. Tungsten bulbs cost $0.50 per bulb and last 1 year
For a given amount of light, a tungsten bulb draws 75 W and a compact fluorescent bulb draws 10 W. If the cost of electricity is $0.10/kWh and the bulbs are operated for 2000 h/yr, what amount of money is saved by use of a compact fluorescent instead of a tungsten bulb over a 20-year period?
What do you buy from the "power" company?
A) potential B) power C) current D) energy E) voltage
Which is not a phase of matter?
A) solids B) liquids C) gases D) vacuum
The laser light that can carry more information is
A) red. B) blue. C) either of these D) neither of these