Question

Which supports the idea that conservation of mass is a scientific law instead of a hypothesis?

A- It is an educated guess.

B- It has been tested and supported once or twice.

C- It has been examined, tested and supported over centuries.

D- It has been tested many times and sometimes is true and sometimes isn’t.

Answer 1

C- It has been examined, tested and supported over centuries.

Step-by-step explanation:

The conservation of mass is a scientific law that states that matter cannot be created or destroyed, only transformed from one form to another. This law has been extensively tested and supported over centuries of scientific investigation, and it is considered to be a fundamental principle of chemistry and physics.