Based on scientific research, which statement best describes mutations? a. mutations are rare occurrences. b. mutations are always harmful. c. mutations cannot be inherited. d. mutations cannot be acquired.

Answer;

A.Mutations are rare occurrences.

Based on scientific research, the mutations are rare occurrences is the statement that best describes mutations.

Explanation;

-Mutations are sudden and random spontaneous changes that occurs in the genetic make up of an organism. They are changes that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.

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question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

hope this , have a good day. c;