Bunsen burners are often used in science labs as a source of heat. which of the following safety rules apply when using bunsen burners in the lab?

Some of the safety rules would include to tie one's hair if it is long and do roll up sleeves if needed. Another is always point the opening of the burner away from one's self and others when heating and lastly never to leave the burner unattended.

The right answer is c.sandstone.