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Chemistry 9 Online
OpenStudy (anonymous):

Why is DNA useful in tracing evolutionary changes? DNA contains only elements, so it does not react easily. Many organisms do not contain DNA. Certain mutations in DNA happen at a constant rate. DNA does not change over time, making it a valuable clue.

OpenStudy (anonymous):

Why is DNA useful in tracing evolutionary changes? DNA contains only elements, so it does not react easily. Many organisms do not contain DNA. Certain mutations in DNA happen at a constant rate. DNA does not change over time, making it a valuable clue.

thomaster (thomaster):

\(\bf\Huge Welcome~to~\color{#00B4ff}{Open}\color{#7cc517}{Study}~!!!\) A is not why DNA is useful in tracing evolutionary changes B is false, most organisms do contain DNA D is false, DNA does change over time Only one answer left

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