How do algae help keep the balance of an aquatic ecosystem? Select all that apply. A. by releasing carbon dioxide
B. by providing food for consumers
C. by releasing oxygen
D. by absorbing carbon dioxide

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number