The reason common window glass doesn't converge or diverge light is because
A. light doesn't refract as much in window glass.
B. its surfaces are parallel.
C. it lacks lens qualities.
D. all of the above
Answer: B
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Which of the following is a correct statement about ocean currents?
A. They are warmest in the mid-latitudes. B. They are typically colder than the water 1 km below. C. They are not involved in La Niña events. D. They initiate Ekman spirals.
Compared to your weight on Earth, your weight on Jupiter would be about
A) 2 times. B) 3 times. C) 100 times. D) 300 times. E) 3000 times.
The west coast of the United States receives two high tides and two low tides of varying heights per
day. What kind of tidal pattern is this? a. Diurnal tides b. Semidiurnal tides c. Semidiurnal mixed tides d. Spring tides
If the global population increases to 9 billion by the middle of the 21st century, which of the following would be necessary?
A) A tripling of the amount of water used for irrigating cropland B) A growth of 50-70% in global food production over current levels C) Universal health care coverage D) A global one-child policy