I think that oxygen is needed , because it helps elevate the blood level and help oxygen spread to your brain/ heart.
90 pounds...................
Answer: I think the difference between a medical savings account and a health savings account is that medical saving account is saving up for medial stuffs and a health saving account is saving up for healthy things like: greens and example for medical saving up is: medichine.
Explanation:
Answer:Drinking too much puts you at risk for some cancers, such as cancer of the mouth, esophagus, throat, liver and breast.
Explanation:
Answer:the answer to your question is B.
Explanation: The graph show a stable population in stage four of the graph.