An author's credentials can determine a health source's credibility. None of the other options would apply to credibility. When it comes to health, if you want to make sure that what you are researching or reading is authentic and reliable you need to find out whether the author is a professional health expert or not. You can do this by finding out their credentials.
Answer:
<em>1. </em><em>Lose weight:</em><em> In order to lose weight, expend more calories than they are consuming.</em>
<em>Gain weight:</em><em> In order to gain weight, one might need to intake more calories than they are expending.</em>
<em>2. Through the comparison between my calories consumed and expended throughout these last two days, may indicate that I may gain weight. My calories that I have consumed, far outnumber the calories expended. I however, do not think this comparison is accurate, because it leaves out a lot of my other physical activity. When I am waitressing at work, I am moving and going for three to four hours without sitting down. This is not included in the comparison because it is not daily labeled as “physical activity.” </em>
<em>3. As long as calories consumed and expended are not the same, diet or activity level should be adjusted for the good of the body's health.</em>
<em>4.??</em>
<em>5.??</em>
<em>6. Increasing your physical activity will make you hungrier. Choosing healthy foods will keep your fitness high. Physical activity burns calories and builds muscles making you healthier. </em>
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Answer:
Pairs of organs that remove waste from the blood are the kidneys
Part of your SOCIAL environment
About 59% according to the article in Morbidity and Mortality Weekly Report