Which of the following hazards is LEAST likely to be associated with explosive volcanic eruptions?
A. lava flows
B. ash fall
C. tsunamis
D. mudflows
E. pyroclastic flows
Answer: A
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The Greek mathematician and geographer Eratosthenes is noted for
A) his highly precise maps of the coastlines of Mediterranean Europe and Africa. B) calculating Earth's diameter by measuring celestial angles at two different locations. C) inventing the concepts of time zones by dividing 360 by 24, thereby establishing 15° zones. D) being the first to realize the spherical shape of Earth E) reasoning that Earth's equatorial bulge was the result of Earth's rotation and centrifugal force.
Which of the following is the most important product of respiration?
A) CO2(g) B) H2O(g) C) energy D) None, these are all equally important.
Which of the following is the energy production or consumption associated with the formation of one molecule of carbamoyl phosphate?
A) 2 molecules of ATP are produced B) 1 molecule of ATP is produced C) 1 molecule of ATP is consumed D) 2 molecules of ATP are consumed
Much of the original free oxygen in the atmosphere combined with iron dissolved in water to become iron oxide
Indicate whether the statement is true or false