Which type of organism is responsible for performing the majority of nitrogen a. humans b. aquatic organisms c. plants d. bacteria

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

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

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt