How much more powerful is a magnitude 8 earthquake than a magnitude 4 earthquake?

magnitude is 33 times larger than the last. That means a magnitude-8.0 earthquake is 33 times stronger than a 7.0, and a magnitude-9.0 earthquake is 1,089 (33 x 33) times more powerful.

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

did anyone actually do this? like if anyone has submitted this i rly need .