it is by carbon dating
It is determined by carbon-dating ( sorry i don't know exactly how its typed ) the walls, bones or objects in the cave
The age of a skull can be most accurately determined using radiocarbon dating or by analyzing the teeth for developmental changes like eruption and wear patterns. Additionally, studying the growth plates in long bones can also provide valuable information about the individual's age at death.
A complete skeleton of a Giganotosaurus has yet to be found. If and when it is found, the number of bones it has may be determined.
Breeding stocks ages are told by the tattoo given at birth; but for a market pig, most pigs age is determined by their weight. Breeding stocks ages are told by the tattoo given at birth; but for a market pig, most pigs age is determined by their weight.
Me
The mammoths lived for 100,000000 of years but a mammoths lived for 80 years
Bone remodeling can help determine age because when a person is dead their bones shows every little mark , which on most bones displays a pattern called lamellar.
Brittle?
35
take it to a vet.
dentists and vets can tell a horses age by its teeth
Mary's age is not provided in the question, so it cannot be determined.