Explain how and why the thylakoids are able to make atp in the dark.

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi