Which statement describes the amount of matter and energy as they move into, out of, and within any ecosystem? А Both matter and energy are conserved. B Energy is conserved but matter is not conserved. C С Matter is conserved but energy is not conserved. D Neither matter nor energy are conserved.​

Which units ate used to measure both velocity and speed? check all that apply

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 !

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction