Which is not a definition of soil?
A) any surface material that is solid rock
B) any surface material that is not solid rock
C) the medium for plant growth
D) the upper layer disturbed by tools for crop cultivation
Answer: A
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Water is formed from the reaction of an acid and a base. Why is it not classified as a salt?
A. A salt is an ionic compound, whereas water is a covalent compound. B. By definition, a salt must be able to dissolve in water, so water itself cannot be called a salt. C. The attraction between the two ions in water molecules is too strong. D. Not all acid base reactions produce a salt, as in the case with the formation of water.
Explain why the surface air on the downwind side of a mountain can be drier than the surface air on the upwind side. What is this effect called? Can you think of a l°Cation in Canada where this might °Ccur?
What will be an ideal response?
Which oceanographic vessel is the current ship of the Integrated Ocean Drilling Program (IODP)?
a. JOIDES Resolution b. USNS Bruce C. Heezen c. Glomar Challenger d. R/V Chikyu e. Okeanos Explorer
Which of the following is the fastest form of mass movement?
A. earth flow B. debris flow C. soil creep D. rockfall