Which of the following is needed for photosynthesis to occur? A.
Radiant energy from the Sun, which transforms into chemical energy
B.
Minerals in the soil, which transform into chemical energy
C.
Oxygen in the air, which transforms into electrical energy
D.
Sugar in the plant, which transforms into light energy

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !