Based on the chemical equation, use the drop-down menu to choose the coefficients that will balance the chemical equation: (
)BaO2 + (
)H2SO4 → (
)H2O2 + (
)BaSO4

organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.