<span>In addition to nutrition, </span>exercise<span> is an important means of maintaining your health.
</span>Without exercise, things like a crooked back can develop, and that is some of the better things to expect since the bad ones include heart diseases, muscle reduction, or anything similar like that.
Answer:
Xerophthalmia is a progressive eye disease caused by vitamin A deficiency. Lack of vitamin A can dry out your tear ducts and eyes. Xerophthalmia can develop into night blindness or more serious damage to your cornea, the outer layer of your eye.
Explanation:
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Answer:
the answer is 2-1, so basically 2
Explanation:
Explanation:
Like most stars in our universe, the Sun is on the main sequence stage of its life. This means nuclear fusion reactions in its core fused hydrogen into helium. However, this process cannot last forever since there is a finite amount of hydrogen in the core of the Sun. Currently it has more than 72% hydrogen.
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