Ascientist wants to study the affects of fertilizer on plants sets up an experiment.

plant a gets no fertilizer each day.

plant b gets 5 mg of fertilizer each day.

plant c gets 10 mg of fertilizer each day.

which plant is the control group?

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

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

Set comes up with for examples of sound waves ocean wave light wave and hand wave which of tonys examples is not an actual scientific wave