4, true
5, false.
6, true
7, true
hope this helps!
The maximum number is unlimited.
Answer:
B. Magnesium
Explanation:
Magnesium is a mineral. This mineral is crucial to humans and life itself.
D, because all others could affect other parts of your health. Don't crash diets, after so long your body can go into starvation mode. Exercising alone--- if there is not another person with you, you may be tempted to over-exercise. And C is incorrect because those pose big risks to your health, depending upon the combination or even duration/side-effects.
And D is correct because you're still eating--- just maybe more healthily and exercising, but not too much or too little. <span />
