At the height of the Great Ice Age, the present desert regions of southwestern United States ____
A)were covered with continental ice sheets
B)were drier than modern day conditions
C)had large lakes form in intermontane basins
D)were tropical rainforest environments
E)were covered with valley glaciers
C
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Discuss the size distribution and movement of neritic sediments from the shoreline outward towards the deep ocean. What will be an ideal response?
The Law of Conservation of Energy states which of the following?
A) energy cannot be converted from one form to another B) kinetic energy is conserved C) potential energy is conserved D) none of the above
Protons, neutrons, and electrons are all
A. forms of radioactive energy. B. equal in mass. C. subatomic particles that make up atoms. D. negative ions. E. charged particles.
A polymorph can be defined as
A) a set of silicate minerals. B) minerals that have the same chemical formula, but different crystal structures. C) minerals that have the same crystal structure, but different chemical formulas. D) minerals that have the same chemical formula and crystal structure, but exhibit different physical properties.