The higher up the food chain humans eat, the greater levels of toxic metals they take in. true false

the answer would be true because you eat more toxins the higher you go

i'm assuming true but i'm not 100% sure.

hope i helped

i think its b

explanation:

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: