Which of the following describes a property of water vapour?
A. It makes clouds white
B. It is semi-transparent
C. It colours the sky blue
D. It is invisible
Answer: D
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Pollutants that are aerosols consist of
A) gases and liquids. B) liquids and solids. C) gases and solids. D) gases, liquids, and solids.
What is the main problem that has developed in the Ogallala aquifer?
A) It has become contaminated with radioactive waste from the Chernobyl accident. B) Precipitation is heavier to the east, causing tilting of the entire formation. C) Overpumping may cause the southern parts of the aquifer to go dry in the next 100 years. D) None of these are correct.
Olympus Mons is an enormous volcano on Mars. It is the largest volcano in the solar system. Compositionally and structurally, Olympus Mons is most like a shield volcano on Earth, but it is many times larger
Why should Mars produce such a monstrous shield volcano, while Earth isn't capable of producing one that large? What will be an ideal response?
What type of soil is sticky, elastic, and impermeable?
A. Clay B. Organic matter C. Sands D. A large particle size E. Living organisms