What can you say about the potential energy of the two sleds shown below? * 20 points Captionless Image A. Sled A has more potential energy. B. Sled B has more potential energy. C. The two sleds have the same potential energy. D. There is not enough information to know which sled has more potential energy

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.