Which of the following terms best describes the heart’s function in a living organism? a. a pump b. a sponge c. a lock d. a lever

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

How many types of rock can form from the rock cycle