In two or three well-developed paragraphs, summarize the steps of the experimental method. How do scientists use these steps to identify and answer questions?

1. In two or three well-developed paragraphs, summarize the steps of the experimental method. How do scientists use these steps to identify and answer questions? 2. The greenhouse effects has both negative and positive consequences for the Earth. In two or three well-developed paragraphs, define the greenhouse effect and explain how it is helpful to the planet Earth. 3. Scientists divide the Earth into different layers based on composition and physical properties. In two or three well-developed paragraphs, describe both sets of classification and include characteristics of each layer.

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