Along which type of tectonic boundary will greenschists and blueschists form?
A) Transform
B) Convergent
C) Divergent
D) Failed rift zone
Answer: B
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In 1974, Dr. Rowland and Dr. Molina made what observation regarding ozone (O3)?
A) Ground-level O3 irritates human eyes and respiratory systems. B) Anthropogenic O3 releases were a major culprit in global warming. C) The photochemical interactions of chlorofluorocarbons and O3. D) Automobile exhaust and sunlight were producing photochemical smog.
Scientists use proxy records in climate research to determine ________
A) climates hundreds and thousands of years ago B) current levels of carbon dioxide C) changes in the ozone layer over the past 30 years D) changes in temperature over the past 100 years
The Brown v. Board of Education court decision ruled that
A) separate schools for blacks and whites were unconstitutional. B) "white flight" was morally wrong and should be curtailed. C) discriminatory lending practices and restrictive covenants were unconstitutional. D) separate facilities for blacks and whites were acceptable so long as they were of the same quality. E) separate schools for blacks and whites were constitutional but separate drinking fountains were unconstitutional.
If pairs of enantiomers are only counted once, how many aldehydes with the molecular formula C5H10O are chiral?
A) 0 B) 1 C) 2 D) 3