What is blood pressure? a. the pressure exerted by blood on the walls of the heart b. the pressure exerted by blood on the walls of the veins c. the pressure exerted by blood on the walls of the arteries d. the pressure exerted by blood on the walls of individual cells

Mario performed an experiment to determine if photosynthesis was affected by the amount of light that a plant received. what could he have done to increase the validity of his data? reduce the number of plants. remove the 1 hour group. add a 0 hours control. measure the oxygen in liters

Brainliest ! is slowing down a car an example of acceleration? explain. - explain correctly

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes