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katen-ka-za [31]
3 years ago
15

HELP QUICK ASAP> The graph shows calculations for potassium-argon dating.

Geography
2 answers:
Bogdan [553]3 years ago
5 0

Answer:

C.

Explanation:

Because there is a graph to tell scientists how old something is. If you don't know what I'm talking about, look up on google a K-R dating graph. it should look like a hill going down with circles.

Sedaia [141]3 years ago
4 0

Answer:

C. They can determine that a rock is 1.3 billion years old if 1/2 of the potassium has decayed.

Explanation:

brainly.com/question/13498876

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Cells duplicate their DNA when they decide they need to divide. Cells divide for three main reasons: growth, repair, and reproduction. This could be during mitosis or meiosis. Mitosis is the dividing of your non-reproductive cells, and meiosis is the dividing of your reproductive cells

Explanation:

Growth. ... When one cell divides into two, both must have a copy of the genetic information. Therefore, before cell division occurs, the genes must also make duplicates of themselves so that all of the important genetic information ends up in each of the new cells.

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