Which weather model would provide the best accuracy/precision but the greatest cost in terms of computer time?
A) Finer spatial resolution, shorter time steps
B) Finer spatial resolution, longer time steps
C) Larger spatial resolution, longer time steps
D) Larger spatial resolution, shorter time steps
A) Finer spatial resolution, shorter time steps
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Although hydroelectric dams generate electricity without directly producing greenhouse gases, they ________
A) eliminate wildlife habitats and affect the temperature of waterways B) produce as much other air pollutants as coal-fired power plants C) are short-lived structures that have to be rebuilt about every 20 years D) contribute only about 5% of global electricity production
Pseudoscience
A. is a deceptive practice. B. is misleading. C. utilizes appearance and language of science. D. All of these are correct.
Aurora occur in the _______________
Fill in the blank(s) with correct word
According to a 2002 study by scientists at the National Water-Quality Assessment Program (NAWQA), ________ % of U.S. streams contain traces of wastewater contaminants
A) 10 B) 80 C) 50 D) less than 1 E) 100