The force of gravity acts on all apples on an apple tree. Some apples are twice as far from the ground as others. These twice-as-high apples, for the same mass, have
A) one-quarter the weight.
B) one-half the weight.
C) practically the same weight.
C
Environmental & Atmospheric Sciences
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The greatest contrast in both temperature and moisture occurs along the boundary between which of the following air masses?
A. mT and cP B. cP and cT C. mP and cT D. mP and mT
Environmental & Atmospheric Sciences
Which of the following can influence wind direction?
a. Coriolis force b. pressure gradient force c. centripetal force d. all of the above
Environmental & Atmospheric Sciences
Species that provide early warnings of damage to a community or an ecosystem are called ____ species.
A. foundation B. indicator C. keystone D. endemic E. endangered
Environmental & Atmospheric Sciences
Which part of a stream's sediment load moves the slowest?
A) Bed load B) Dissolved load C) Suspended load
Environmental & Atmospheric Sciences