Compare the costs and benefits of fossil fuel energy to that of wind power. ( include two costs and two benefits.

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?

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

How much time has elapsed from the very beginning of "the memior of the conquistador bernal diaz del castillo" to the end? a. castillo's whole life b. a quarter of an hour c. a few weeks d. a decade