This can be done by absolute dating technique. In this, the amount of radioactive material with a known half-life is measured. The measure of the radioactive decay of the elements present in the rock helps in the back calculation of the age of the rock. For older rocks, isotopes of Beryllium, Uranium, Argon etc. are used.
From my past experiences I use the results to make a new hypotheses or predictions.
Through the burning of fossil fuels and an increase in nitrogen-producing industrial and agricultural activities, according to a new study.
Answer:
theory
Explanation:
A proposed set of statements or principles used to explain a group of facts or natural phenomena is a theory.
