Which of the following events may be a result of a new, fatal disease that affects only senior citizens

The deserts of the sahara and australia are associated with

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

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale