How does the tiny acorn grow into a gigantic tree? Where does all that matter come from? scientific explanation please!

Average annual precipitation and are the two major features that define the biomes on earth.

Give the biological term for: structures that display characteristics of living organisms only within living cells

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