What is a system of knowledge and the methods used to find that knowledge?

A. science

B. technology

C. measurement

D. curiosity

The system of knowledge and the methods which have been worked out to be the best and most impartial to get this knowledge are known as science.

The correct answer is: A. science.

Science can be defined as a body of knowledge about various phenomena in the world acquired by rigorous and verifiable testing methods and experiments. Science explores and provides objective information about the earth (geography and geology), substances found in the world (chemistry), living organisms (biology, botany, psychology), etc.