In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

[Q]: Question: What property of carbon and other elements can be used to date fossils and rocks, among other things? Answer: half-life
[A]: Half-life property of carbon and other elements can be used to date fossils and rocks, among other things.


[Q]: Question: What astronomical phenomenon is often comprised of remnants of the earliest material that formed in the solar system? Answer: meteorites
[A]: Meteorites are often comprised of remnants of the earliest material that formed in the solar system.


[Q]: Question: What is the term for a scalar measure of how quickly an object is moving along this line? Answer: speed
[A]:
Speed is the term for a scalar measure of how quickly an object is moving along this line.