The large winds that circle the earth occur because the equator a) has less energy than the sun. b) is perpendicular to the suns rays. c) is warmer than the north and south poles. d) is the place where the earth bulges slightly.

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these