chmereaustin1
28.01.2021 •
Chemistry
The absolute age of a rock is approximate number of years ago that the rock formed. The absolute age of an igneous rock can best be determind by
A. measuring the amounts of radioactive isotopes in the rock
B. comparing the sizes of the crystals found in the upper and lower parts of a rock
C. examining the rock's relative position in a rock outcrop
D. observing the environment in which the rock is found
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Ответ:
The correct answer is a because I did the test and it's right
Explanation:
I have no explanation I mean just choose the answer you really don't need an explanation my guy ._.
Ответ:
2. False
3. True
4.True
5. True