The actions of ____________________ and ____________________ are responsible for most soil
erosion. Fill in the blank(s) with the appropriate word(s).
wind, water
water, wind
You might also like to view...
A jack system will increase the potential energy of a heavy load by no more than 1000 J with a work input of 2000 J. The efficiency of the jack system is no more than
A) 10 percent. B) 20 percent. C) 50 percent. D) 80 percent. E) not enough information given
The site on the accompanying figure that would most likely form a rock that has a welded texture is
A. A. B. B. C. C. D. D. E. E.
Which of the following statements concerning the boiling points of isomeric alcohols is true?
A) Isomeric alcohols have the same boiling points. B) The relative boiling points of isomeric alcohols are determined primarily by the different number of hydrogen bonds which they can form. C) The relative boiling points of isomeric alcohols are determined primarily by the different shapes of the molecules. D) The relative boiling points of isomeric alcohols are determined equally by both b and c.
Passive solar technologies ________
A) use mirrors to concentrate the sun's rays on a tower or a series of pipes holding water B) use the energy of sunlight without relying on electrical or mechanical devices C) use silicon wafers to generate light energy D) use mechanical devices to heat water and buildings or electrical devices to generate electricity E) use photovoltaic cells to produce light energy