If the frequency of a certain wave is 10 Hz, its period is
A) 0.1 s.
B) 10 s.
C) 100 s.
D) none of the above
A
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Some pollutants are able to persist in the environment for thousands of years. Indicate whether the statement is true or false
Which of the following is true about a molecule which contains two polar bonds which have the same degree of polarity?
A) It will always be polar. B) It will never be polar. C) It will only be polar if it is bent. D) It will only be polar if it is linear.
The region with the highest average ocean temperatures in the world are
A) along the Gulf Stream in the North Atlantic. B) in the Western Pacific Warm Pool in the southwestern Pacific Ocean. C) near the Benguela Current in the South Atlantic. D) east of the Humboldt Current long South America's Pacific Coast.
What are the other factors, besides increasing CO2 concentrations, which affect global warming?
What will be an ideal response?