(NO LINKS :D In the image below, does Group A or Group B have a stronger gravitational force between the objects in the group? Give one supporting detail for your answer.

Two sets of circles. In Group A, the distance between the two objects is 5 m. In Group B, the distance between the two objects is 10 m.

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