Because of the breakup of Pangaea during the Mesozoic, different faunas emerged partially
because of the lack of
a. angiosperms. d. a solitary landmass.
b. intercontinental migrations. e. zoned climates.
c. oceanic shelf environments.
B
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Using the figure of the volcano, identify the following features: lava flow, vent, conduit, and magma chamber. Match the correct term with the correct letter
A) Magma chamber B) Lava flow C) Conduit D) Vent 1) A 2) B 3) C 4) D
Which of the following molecules cannot engage in hydrogen bonding?
A) SiH4 B) PH3 C) H2S D) all of these
A K tool is used in combination with _______.
a. vise grips b. a strap wrench c. a pick head axe d. a pry bar
The operating costs for transportation ________.
A) indicate that, when all operating costs are included, rail is the most sensible means of transport B) take into account the costs to public health and to the environment of vehicle emissions C) clearly show the economies of scale, with large cities costing less per automobile than small cities D) show that bus transport is the least expensive when all costs are included E) indicate that city planners should invest more in parking lots