To see his full height in a mirror, Blinky Bill of height 1.0 meter requires a mirror that is at least
A. 1 m tall.
B. 0.50 m tall.
C. 0.75 m tall.
D. depends on distance from the mirror
Answer: B
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Tidal friction is gradually slowing Earth's rotation. Indicate whether the statement is true or false
In the Northern Hemisphere, south-facing slopes:
A) are more likely to have more vegetation. B) receive more solar radiation than do north-facing slopes. C) will typically look the same as north-facing slopes, except near the equator. D) are most lush in subtropical regions.
Practitioners of shifting cultivation usually begin the process of clearing a new field when
A) the government tells them to do so.
B) they are certain the last frost is past.
C) the soil of the old field is depleted of nutrients.
D) the women vote to do so.
E) seasonal and annual rainfall patterns shift.
The U.S. Army participated in extermination of the American bison during the mid-1800s because
A. The Army desperately needed meat B. Native people depended on the bison for food and shelter C. The Army needed leather for shoes D. The United States wanted the Great Plains free for agriculture E. None of these, the U.S. Army did not participate in extermination of the American bison