B. because the match contains phosphorus, and it is unlit, so it has chemical POTENTIAL energy
Answer:
i dont understand the question
Explanation:
A chromosome consists of a single, double-stranded DNA molecule. Chromatids are two molecules of double-stranded DNA joined together in the center by a centromere. Chromosomes have a thin ribbon-like structure. Chromatids have a thin and long fibrous structure.
Cystic Fibrosis is a genetic mutation
Theory ----> not proved yet
Law --------> a theory which is proved and universally accepted