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3 months ago
11

Use the drop-down menus and what you have learned about potassium-argon dating to complete the sentences. Radioactive dating can

be compared to an hourglass, with the elements on the top. Scientists compare in the rock to determine its age. Potassium-argon dating is ideal for dating and rock.
History
1 answer:
Xelga [1.6K]3 months ago
6 0

Radioactive dating can be likened to an hourglass, with the ________ elements placed atop. In order to assess the age of the rock, scientists make comparisons of the ________ within it. Potassium-argon dating is suited for analyzing _________ and _______ rock.

Answer:

1. Unstable

2. Parent and daughter isotopes

3. Igneous

4. Ancient

Explanation:

Radioactive dating includes two primary methods: potassium-argon dating (utilizing potassium-40) and carbon-14 dating.

Potassium-40 is particularly beneficial for dating ancient rocks due to its lengthy half-life, whereas carbon-14 is applicable for determining the age of plants and animals as they incorporate a form of carbon-14.

Thus, radioactive dating can be visualized as an hourglass with the UNSTABLE elements positioned at the top. Scientists analyze the PARENT AND DAUGHTER ISOTOPES present in the rock to ascertain its age. Potassium-argon dating is optimal for dating IGNEOUS and ANCIENT rock.

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