carbon dating requires that the object being tested contains what?

Answer 1

how about carbon?
The carbon that is dated be part of organic matter that acquired carbon as the result of photosynthesis, the consumption of plants, or animals that consume plants. The original carbon must have come from the atmosphere.

Answer 2

There should be the word "must" after "dated"

Answer 3

Carbon dating requires that the object being tested contains what?

Answer 4

organic material