When photosystem 1 absorbs light and transfers an electron to a primary electron acceptor an electron from fills the void A. chlorophyll B. photosystem 2C. water splitting D. both b and c are correct

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.