Name one greenhouse gas. For extra credit name up to two more How are pharmaceut

Question

Name one greenhouse gas. For extra credit name up to two more How are pharmaceuticals and hormones getting into water supplies and what is one effect? You are a scientist studying the organisms and water conditions in a local lake. Over several years you notice that both the number of a certain type of fish in the lake has decreased and the acidity of the lake water has increased. You are curious, so you plan to conduct an experiment to learn more. Name one observation you have made? For extra credit name up to 2 more. State a hypothesis based on your observations. State a prediction you will use to test your hypothesis Describe one step you will use to conduct your experiment. Extra credit to describe 2 additional steps.

Explanation / Answer

22. Methane and carbon-dioxide.

23. Making water contaminated and harmful for human body.

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