Water quality is a measure of the health of water supplies used for drinking and other important activities. Which human activity MOST directly affects water quality?

-powering homes

-fertilizing crops

-driving cars

-fishing

Which of the following substances is not involved in the chemical reaction that pro- duces smog? a. sunlight b. particulate matter c. automotive exhaust d. ozone

Why does the alligator have one of the strongest bite force and why does it run so fast i need to know i live in florida

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