A substance made up of two or more types of atoms that are NOT chemically combined is called a(n) A
element
B
mixture
с
compound
D
pure substance

Someone, part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage