a fact because most people agree. a fact because it has been observed and tested. an opinion because both metals are hard to find. an opinion because more research is needed.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The statement "gold is more dense than lead" is
Possibilities:
- a fact because most people agree.
- a fact because it has been observed and tested.
- an opinion because both metals are hard to find.
- an opinion because more research is needed.

a fact because it has been observed and tested.