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Alona [7]
3 years ago
12

Which radioactive isotope would you use to date a 4-billion-year-old piece of granite?

Biology
1 answer:
schepotkina [342]3 years ago
3 0

Explanation:

Uranium- 238 - lead 206 dating

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A computer to a moteter for literal use
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3 years ago
Johanna, a 7-year-old girl, is significantly shorter than normal for her age. Her doctor recommends treatment with a hormone bef
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Growth Hormone.

Explanation:

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6 0
4 years ago
The front leg of a cat, the front flipper of a dolphin, and the wing of a bat have the same structure and order of bones. These
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Answer:

The bones are homologous structures

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In the given question, the bat, dolphin and the cat shows the same structure of bone which indicates that they have evolved from a common ancestor and is true as they all belong to mammals.

Thus, the bones are homologous structures is correct.

6 0
4 years ago
Which of the following best explains how a scanning electron microscope is used to produce an image of a specimen? An electron b
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The correct answer is B) An electron beam passes over the specimen's surface and displaces electrons, which are then focused on a screen to form an image.

8 0
4 years ago
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