When temperatures are below freezing, the temperature at which air becomes saturated leading to the formation of frost is the ________
A) relative humidity. B) frost point. C) dew point. D) absolute humidity.
B
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The introduction of exotic plants and animals into new ecosystems, such as the introduction of African bees to Brazil in the 1950s with hopes of improving the local bee-keeping industry, is an example of
A) ecological imperialism. B) demographic collapse. C) virgin soil epidemic. D) transcendentalism. E) the Columbian exchange. Answer: A
Which one in the following scales can measure the effect or consequence of an earthquake's ground shaking at a locality on the Earth's surface?
a. The Modified Mercalli Intensity Scale b. The Richter Magnitude Scale c. The Damage Scale d. None of the above
Introduced Species
What will be an ideal response?
A common water pipe purchased in a hardware store does not include the water. When you purchase copper wire, electrons
A. must be supplied by you, just as water in a water pipe. B. may fall out, which is why wires are insulated. C. already exist in the wire. D. none of the above