Which statement best describes two paths carbon dioxide can take through the carbon cycle?

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

The hematodinium parasite becomes less of a problem for the blue crab when the crab is very young. fishing is thriving in the region. the crab moves to less salty water. a significant percentage of the population is impacted.