Rossby waves are also known as
a. stable waves.
b. shortwaves.
c. tidal waves.
d. longwaves.
e. macrowaves.
ANSWER: d
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Briefly describe the process of continental rifting. Name a location where it is occurring today
What will be an ideal response?
The thermocline defines the ___________, and the pycnocline defines the ___________
a) Area where the water density rapidly changes; area where the temperature rapidly changes b) Area where the water temperature rapidly changes; area where the water density rapidly changes c) Area where the temperature of the water is at equilibrium; the density of the water is at equilibrium d) Area where salt concentration rapidly changes; area where oxygen rapidly changes
The wood thrush makes its nest in woodlands in the northern and eastern United States. As patches of woods become smaller, increasing numbers of wood thrush nests have eggs laid in them by the brown-headed cowbird. Cowbirds live in open fields and are
nest parasites; the female cowbird flies up to an unattended nest, quickly lays an egg in it, and leaves the host parents to raise their "adopted" young. Wood thrushes are decreasing in numbers because ________. A) habitat fragmentation makes it easier for cowbird parasitism to occur B) pollution of the open fields has caused a change in cowbird behavior C) cowbirds are an invasive species that is rapidly increasing D) climate change is reducing nest site availability E) overharvesting in the open fields has driven the cowbirds into the woodlands
New buildings that receive the energy star rating are recognized for
A) using solar or geothermal energy for at least 30% of the building's energy needs. B) using solar power for at least 50% of the building's energy needs. C) using wind power for at least 20% of the building's energy needs. D) using 40% less energy than other buildings in their class.