Which of the following phenomena is caused by the diffraction of light?
A. glory
B. halo
C. tangent arc
D. sun pillar
Answer: A
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Which type of earthquake wave most closely resembles sound waves?
a. P-waves b. S-waves c. Love waves d. Rayleigh waves e. permanent waves
The rate of natural increase (RNI) depicts the annual population growth rate for a country as a percentage increase
Indicate whether the statement is true or false
This figure shows the geologic timescale. Which period listed below would be part of the Paleozoic?
A. Cambrian B. Paleogene C. Neogene D. Triassic E. Jurassic
All of the following except ________ would result in improved energy-use efficiency
A) buying more SUV motor vehicles B) rebates for building energy-efficient buildings C) buying high-efficiency appliances D) tax credits for installing geothermal heating in your home E) tax credits for insulating and putting double pane windows in existing buildings