Which statements are true about all the natural chemical cycles?

-each cycle can operate and balance itself

-each cycle affects other cycles

-natural earth cycles cannot be disturbed

-human activity has upset cycles in local areas

-all the natural cycles work together to support life

Each cycle affects other cycles. All the natural cycles work together to support life. Human activity has upset cycles in local areas.

the aswer is letter c

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: