The correct answer is Marijuana
Answer:
Below
Explanation:
For example, the respiratory system and the circulatory system work closely together to deliver oxygen to cells and to get rid of the carbon dioxide the cells produce
Answer:
In the scientific method, observations lead to questions that require answers. In the scientific method, the hypothesis is a testable statement proposed to answer a question. In the scientific method, experiments (often with controls and variables) are devised to test hypotheses.
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Heart disease, Clogged blood vessels, High cholesterol, High blood pressure, Diabetes, Obesity, Metabolic syndrome, and Parkinson's disease.