Trystan walks to Chick-fil-a for dinner. He walks 1 km north, 1 km west, and then 1 km south. What is his distance and displacement?
O 3 km, 1 km west
1 km, 3 km east
3 m, 1 m west
3 km, 1 km east

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

Climate like that in the sahara desert have the fastest rates of weathering

Which statements best describe the atoms of the gas neon? check all that apply