A set of diagrams. The bottom is labeled Age in years. A log underground with many arrows representing movement from the log to aboveground, at 100 percent; Age is 0 years. A log underground with fewer arrows representing movement from the log to aboveground, at 50 percent; Age is 5,730 years. A log underground with four arrows representing movement from the log to aboveground, at 25 percent; Age is 11,460 years. A log underground with two arrows representing movement from the log to aboveground, at 12.5percent; Age is 17,190 years.
Which statements describe the image? Check all that apply.

The wood is releasing argon gas.
This information is useful for dating ancient rock.
The process works only with organic matter.
The element has a half-life of 5,730 years.
This shows the half-life of carbo