Biology, 23.11.2020 02:00 janyiareese12
BRAINLIEST AND 100 POINTS FIRST ANSWER GETS BRAINLIEST!!!
The table below shows the half-life of an element:
Half-Life DataElement Half-Life
Uranium-235 700 million years
Scientists have found that the Uranium-235 content of an unknown prehistoric sample was reduced to one-fourth. What best describes the identity of the sample?
A stone artifact that formed 700 million years ago
A mammoth that died 1,400 million years ago
A cliff that formed 1,400 million years ago
A plant that died 700 million years ago
Answers: 2
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BRAINLIEST AND 100 POINTS FIRST ANSWER GETS BRAINLIEST!!!
The table below shows the half-life of an...
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