Different colors of light in a vacuum travel at
A. decreased speed.
B. the same speed.
C. different speeds.
D. none of the above
Answer: B
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Radiometric dating is based on ____
a. the presence of fossils b. cross-cutting relationships c. spontaneous decay of radioactive elements d. superposition e. dendrochronology
This is a sovereign state that comprises an urban area and the surrounding countryside
A) rural-state B) nation-state C) city-state D) primate-state E) homogeneous state
Water warm enough to support coral growth is found primarily in the ________ regions of the oceans
A) polar B) subpolar C) subtropical D) temperate E) tropical
Which of the jet streams is responsible for the transport of lower latitude moisture mainly in the middle and upper parts of the atmosphere into the southern United States during strong El Nino episodes?