Kevin decides to find out which fertilizer is best for tomatoes. he pots up three plants, all with the same soil, giving one no fertilizer, giving the second type a fertilizer, and giving the third type b fertilizer. in this experiment, what is the control, or kevin's standard for comparison?

i it is d i hope it

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation: