Which best describes secondary succession?
a. the quick change in an area’s species before a disturbance
b. the quick change in an area’s species after a disturbance
c. the gradual change in an area’s species after a disturbance
d. the gradual change in an area’s species before a disturbance

The rate at which molecules water and oxygen can enter a cell is determined by the-

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

Drag the tiles to the correct boxes to complete the pairs. match wach fossil with the layer where it’ll be present based on these condition