Can falling ice crystals produce a rainbow? Explain your answer
What will be an ideal response?
Answer: No; reflection and refraction from ice crystals do not operate to separate arcs of colors through dispersion.
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Enforcement of Superfund and cleanup of polluted sites has slowed because
A. responsible parties have been quick in cleaning up pollution. B. pollution is no longer a major concern for waste producing industries. C. local governments and small businesses willingly take on the responsibility for cleanup. D. the U.S. Congress refused to renew the tax on oil and chemical companies that funded the program. E. most of the waste sites in the U.S. have already been cleaned up.
In developing countries, a major characteristic of efforts to curb population growth that has been the most successful includes ________
A) improved health care for all employed workers B) increased education for women C) increased education for men D) better health care for infants E) knowledge of birth control
Earth's outer core is solid rock
a. True b. False Indicate whether the statement is true or false
Pyroclastics
A. are smaller volcanos that develop on the sides of a main volcano. B. are researchers who study volcanos and volcanic processes. C. are solid materials erupted from a volcano. D. represent the fluid portion of lavas.