Large, stable communities of plants and animals whose boundaries are closely linked to climate and soils are called
A) biozones.
B) ecospheres.
C) biogeographic realms.
D) life zones.
E) biomes.
E
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Animal waste produced by the meat industry is far _________(greater/less) than the amount of human waste produced.
Fill in the blank(s) with the appropriate word(s).
The concept of isostacy explains why ____.?
a. ?magnetic differences exist in stripes along the seafloor b. ?magma plumes are created c. ?continental crust stands higher than oceanic crust d. ?convection moves magma under the lithosphere e. ?lithospheric plates move in response to convection
What term describes air aloft that changes speed or direction?
A) sea breeze B) long wave C) wind shear D) macroscale circulation
Samples from the seafloor around the Mid-Atlantic Ridge and the East Pacific Rise show that both areas have been creating new material in the last five million years
Samples from the East Pacific Rise show the five-million-year-old seafloor is three times as wide as similarly aged material from the Mid-Atlantic Ridge. What does this say about the rate of seafloor spreading in the East Pacific? A) The seafloor at both sites is growing at the same rate. B) The seafloor at the East Pacific Rise is growing more slowly. C) The seafloor at the Mid-Atlantic is growing more quickly. D) The seafloor at the Mid-Atlantic is growing more slowly.