What is the process in which organic materials are recycled through living and geological components.
A. Water cycle
B. biogeochemical cycle
C. Carbon cycle
D. Ecosystem
I don’t really get what it’s asking hopefully I can find help on this as soon as possible.

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

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

Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what