An explanation for why polar regions are colder than equatorial regions is that:
a. The sun never reaches these areas because of the tilt of Earth on its axis.
b. Sunlight strikes the polar regions at an angle and spreads out over a much larger area.
c. Sunlight is more intense at the poles.
d. Earth is spinning slower at the poles.
e. The earth is spinning slower and the precipitation is more intense at the poles.
B
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A) struggle to fit into new ecosystems and eventually die out. B) eventually become naturalized. C) become invasive. D) become agricultural products.
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A. Biomass B. Concentrated solar C. Geothermal D. Hydropower