Minimal orbital speed for satellites circling Earth is about 8 km/s. Minimal orbital speed for a satellite orbiting Jupiter would be
A. greater than 8 km/s.
B. less than 8 km/s.
C. about 8 km/s.
Answer: A
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Which of the following must occur so that the pre-initiation complex can be converted to the open complex?
A) The C terminal end of the RNA polymerase must be dephosphorylated. B) The C terminal end of the RNA polymerase must be phosphorylated. C) The N terminal end of the RNA polymerase must be dephosphorylated. D) The N terminal end of the RNA polymerase must be phosphorylated.
The cooling or warming of air that occurs because air is allowed to expand or is compressed, not because it is added or subtracted is called ________.
Fill in the blank(s) with the appropriate word(s).
Growing awareness of environmental issues during the 20th century led to the creation of the U.S. Environmental Protection Agency in what decade?
A) The 1950s B) The 1960s C) The 1970s D) The 1980s
Environmental science primarily focuses on any of the following except ________.
A). air pollution B). water use C). sustainable development D). mineral classification