When Nellie Newton is inside a freely-falling elevator her
A. gravitational interaction with Earth is zero.
B. weight is zero.
C. acceleration is zero.
D. all the above
Answer: B
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How many units of energy are required to produce one unit of grain-fed beef?
a. One b. 10 c. 15 d. 25 e. 35
Which type of planet is most likely to have volcanoes?
A. Dwarf B. Jovian or gas giant C. Terrestrial or rocky
One way to understand our interdependence with the environment is to ________
A) curb human population growth B) continue our current rate of resource use until we are forced to return to a more localized agrarian society C) consider and value the origin of what we use in our daily personal lives D) ignore it E) continue rapid development of all resources
A break or weakness in the continuity of the crust of the Earth is called a ________.
A. Volcano B. Fault C. Tectonic plate D. Subduction zone