Which statement best describes why Progressives worked to reform the meat-packing industry in the early 1900s? The industry leaders were corrupt. The industry was failing. The industry used unsafe manufacturing practices. The industry supported certain political parties.

Earth's atmosphere is unique among the planets and is able to support life because it contains a large amount of a) oxygen b) helium c) methane d) carbon dioxide

Give the brainliestwhich parts of the scientific process differentiate it from pseudoscience? check all that apply. stating facts based on opinionsusing models and experimentsasking new questionsmaking subjective claimshaving explanations that answer all questionsi need more than one answer

The different layers of gases that extend form the surface of the earth into space