A I believe because cars produce a lot of gas contributing to global warming
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Sickle cell anemia is one of a group of disorders known as sickle cell disease.
Explanation:
Answer:
Your hypothalamus communicates with the anterior pituitary lobe via hormones and the posterior lobe through nerve impulses. Through the stalk.
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This means that some cells are able to letter molecules pass through them and this makes it easier for the molecules to pass through.