TASK DEFINITION: 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.
PROBLEM: Question: What property of carbon and other elements can be used to date fossils and rocks, among other things? Answer: half-life

SOLUTION: Half-life property of carbon and other elements can be used to date fossils and rocks, among other things.

PROBLEM: Question: Which statement best explains why the Sun and the Moon appear to be about the same size in the sky? Answer: The Moon is smaller in diameter and is closer to Earth than the Sun.

SOLUTION: The sun and the moon appear to be about the same size in the sky because the moon is smaller in diameter and is closer to earth than the sun.

PROBLEM: Question: What occurs when a substance reacts quickly with oxygen? Answer: combustion reaction

SOLUTION:
Combustion reaction occurs when a substance reacts quickly with oxygen.