Which of these is the correct word equation for the reaction, 4 fe (s) + 3o2 (g) → 2feo3 (s)?

solid iron reacts with iron (ii) oxide to form oxygen gas.

solid iron (ii) oxide decomposes to form solid iron and oxygen gas.

solid iron reacts with oxygen gas to form solid iron (ii) oxide.

oxygen gas reacts with iron (ii) oxide to form solid iron.

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

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d.lytic

Select the correct answer. why are scientific models important in the study of science? a. they always involve critical mathematical calculations. b. they scientists understand complex ideas and objects that aren’t easy to handle. c. they enable scientists to popularize their work in society. d. they are required when conducting any peer review process. e. they are necessary for turning a hypothesis into a law.