Which of the following statements is true of density? * 10 points
Density is an indicator of whether an object will sink or float
Denisty is the combined measurement of both the mass and volume of an object
Denisty remains the same in a certain material despite the size of the object
All of the above

Option (2)

Explanation:

Celtic runes sites refers to some of the places in the northern part of Europe whose common scripts are the Celtic runes.

The remnants of wooden structures are discovered in this place by the scientists, and in order to determine the time, that is, when the stones were carried by the Celts into the mentioned place, the most efficient way of determining this time will be the carbon dating method.

The carbon dating method is efficiently used to date an object that are of very recent age. It is because the half life of carbon is approximately 5700 years, which is geologically a very small age.

Thus, the correct answer is option (2).