Carbon dioxide is a greenhouse gas that allows Earth to maintain temperatures that can support life. A variety of factors can change the amount of carbon dioxide in the atmosphere and alter Earth’s climate. An increase in carbon dioxide concentration can increase average global temperature. a. Forests can be cleared or burned to prepare land for raising crops or livestock. Describe three connections between agricultural practices such as these and the global climate. (3 points)

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

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