What happens to water velocity downstream? It generally 
A. increases.
B. remains the same.
C. decreases.
D. There is no way to tell because discharge cannot be determined.
Answer: A
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ATP is required during muscle contraction because ATP allows myosin heads to
A) bind to actin. B) pivot and pull on actin. C) release actin. D) recock.
The Supreme Court and lower courts are important for environmental policy because ________
A) they allow corporations in the United States to disregard the environmental laws of other countries B) they regulate administrative agencies at various levels of government C) their purpose is to assist corporations to negotiate with the legislative branch D) the courts mandate that environmental law preempt all other federal laws E) they preside over lawsuits filed by grassroots and other nongovernmental organizations to correct environmental damage
In the best-case scenario (strict mitigation), temperatures in the U.S. desert southwest are predicted to rise 5 degrees Celsius by late century
a. True b. False
What area within the Caribbean contains 85 percent of the population of this region?
A) Greater Antilles B) Turks and Caicos Islands C) Bahamas D) Cayman Islands E) Lesser Antilles