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s344n2d4d5 [400]
2 years ago
9

Someone please help i’ll give brainliest.

Biology
2 answers:
Vera_Pavlovna [14]2 years ago
7 0

They provide energy

Explanation:

Pie2 years ago
5 0
Yeah they provide energy to the cell
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The decay of uranium isotopes is used to provide information about the age of Earth.

<h3>Explanation:</h3>

Isotopes of Uranium U-232, U-233 , U-234 , U-235 , U-236 , U-238 are used as fuel in nuclear reactors or as explosives for nuclear weapons. Uranium 238 is not very radioactive and it constitutes for nearly 99.3% of natural uranium on Earth and has the longest lifetime: its period is 4.5 billion years, about the age of Earth.

Use of radiometric dating techniques help in defining the age of substances (natural or man-made) using the known decay rates of radioactive elements. Each element has an  individual decay rate and half life time.

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