Wich best describes how mRNA is used by a cell

Which technically is nasa developing that will astronauts reach mars

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

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity