During cooling, the kinetic energy of the molecules falls. why does this happen?
oa. because the motion of the molecules increases
ob. because the motion of the molecules slows down
oc. because the van der waals forces between molecules decrease
od. because the forces of attraction between the molecules are overcome

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: