The answer is false methane is emitted from coal
Hey there!:
Detailed solution is shown below ask if any doubt :
HNO2 is the formula for Nitrous Acid
Answer:
7.1
Explanation:
equation to calculate pH is

I would say that you should wear a lab coat, safety goggles, and gloves
when the teacher says so - not everything in a lab is dangerous, so
there is no need to always wear these. But when the teacher says you
should - then you should.