Is that to being happy and yorself
Physical activity is helpful for your heart muscle and also strengthens your immune system also good for your lungs and helps maintain your weight <span />
Answer:
B. ultraviolet radiation that can cause cancer
Explanation:
Sun does not supply oxygen nor energy. In fact, it is rather harmful with the exception of providing vitamin D.
<span>According to your text, marijuana has been successfully used to treat :</span>
<span>alcoholism and stomach
ulcers</span>
All of above Bc none of these are good