How does streptococci cause human disease?

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

Several billion years ago which gas was the least prevailant in the atmosphere

What would most likely happen if green plants were exposed to longer days of sunlight? a. the mitochondria would produce less energy . b. the chloroplasts would produce more energy. c. the cell wall would become thicker. d. the vacuoles would quickly shrink.b. the chloroplasts would produce more energy.