Which of the following is not an innovation that transformed the prairie from grazing land to cropland?
a. subsurface drainage tile
b. wooden plow
c. well digging machinery
d. barbed wire
B
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The English words hear, give, black, worm, fire, ashes, spitting, mother and man
A) are among the world's oldest and most durable words. B) represent words that are truly American English words. C) became official after starting out as slang words. D) linguistically drifted to the United Kingdom from the European mainland. E) all used to mean the same thing.
What is unrealistic about the domino fault model?
What will be an ideal response?
Which type of volcano is Mount St. Helens? What will be an ideal response?
In 2014, the Endangered Species Act of 1973 is ________
A) generally supported by the public but is criticized as putting wildlife before people B) being repealed by the U.S. Congress C) being weakened in funding and enforcement D) now protecting only 1300 species out of an original 3000 E) being harshly criticized by the scientific community