Which of the following is the correct balanced equation for the reaction in which hydrogen peroxide (h2o2) is broken down into hydrogen gas and oxygen gas?

a. h2o2 --> 2h2 + o2
b. 2h2o2 --> 2h2 + o2
c. h2o2 --> h2 + o2
d. h2o2 --> h2 + 2o2

Most metamorphosis processes take place

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.

What powdery mineral is a health hazard when airborne?