list one key similarity and one key difference between a vaccine and the pathogen it protects against

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

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

What is it called when lava when it erupts from the surface through volcanoes.