Which of the following statements describes the size of a typical raindrop compared to a typical cloud droplet?

A. A typical raindrop is 1000 times larger.
B. A typical raindrop is 100 times larger.
C. A typical raindrop is 100 times smaller.
D. A typical raindrop is 1000 times smaller.


Answer: B

Environmental & Atmospheric Sciences

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It is believed that at one time all of Earth's land masses were crowded together in one supercontinent, which is called Pangaea

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Earthquake prediction is ________

A) generally good if you live in an area along a plate boundary because we know how fast the plates are moving and can measure the stress accumulation B) possible for short times before some earthquakes based on things like animal behavior, but the U.S. does not make use of this method. C) not possible D) somewhat good for very long term statistical analyses based on ideas like mapping seismic gaps

Environmental & Atmospheric Sciences

Why is very humid air near the surface a necessary ingredient for severe thunderstorms?

A) High humidity makes the air more dense. B) Lapse rates are larger in humid air. C) High humidity makes the rising air cool more rapidly. D) High humidity strengthens the cold front. E) More latent heat is then available as energy for the storm.

Environmental & Atmospheric Sciences

Judge the following sentence according to the criteria given below: Marine invertebrates such as worms, mussels, and octopuses have not had to evolve special mechanisms to maintain their body fluids at a proper concentrations BECAUSE their body

fluids are hypertonic. A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.

Environmental & Atmospheric Sciences