Lake Crystal MN recently experienced a 20% increase in electricity rates. What action would you recommend residents take to use electricity more efficiently?
A) Purchase a plug-in hybrid car.
B) Purchase a gasoline-electric hybrid car.
C) Install light-emitting diode (LED) light bulbs.
D) Install incandescent light bulbs.
E) Install compact fluorescent (CFL) light bulbs.
Answer: C
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Having to choose between science and religion is unnecessary
A. since you know which is right and which is wrong. B. when you hold fast to the courage of your convictions. C. because both operate in different realms. D. none of the above
Which of the following statements describes how frontal fog most commonly forms?
A. It forms as warm raindrops fall into a layer of colder air. B. It forms as cold raindrops fall into a layer of warmer air. C. It forms as warm raindrops fall into a layer of windy air. D. It forms as cold raindrops fall into a layer of windy air.
Humid air is ____ than dry air because molecules of water vapor ____ than molecules of nitrogen and oxygen at the same temperature
A) ?more dense; weigh more B) ?less dense; weigh less C) ?more dense; weigh less D) ?less dense; weigh more
The sidereal day is more constant and shorter than the solar day.
Answer the following statement true (T) or false (F)