*Which of the following are all direct methods of flood contro a. soil conservation, dams, artificial levees
b. dams, artificial levees, overflow channels
C. floodplains, artificial levees, dams
d. dams, overflow channels, soil conservation

As a small change in a person's dna can cause a genetic disorder

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

What is the most abundant vertebrate on earth?