Identify two differences between carbon-12 and carbon-14

Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?

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

Explain why ecosystem diversity results in species diversity in a healthy biosphere