What steps are important in the process of creating a scientific theory?
1.hypothesizing, observing, and testing
2, creating a prototype and trouble-shooting
3. analyzing, offering an opinion, and evaluating
4. trouble-shooting, hypothesizing, and evaluating
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Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

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

What is the main reason why some developing countries fear the increase the free trade policies around the world?