The answer is Ultraviolet Light
The easiest way for us to obtain a sustainable amount of Vitamin D is by exposing our self to morning sunlight ( which contain ultraviolet light)
Often time, we don't consume enough vitamin D and our body need to get it from our bones, and in order to do that, it need to be activated through enough exposure from sunlght
Answer:
maybe true
Explanation:
It really depends on what you teacher/coach tells you but most times when doing CPR you should use try and do it, your trying to save lives.
Answer:
Green house effects
Explanation:
This is when gases are trapped in the earth's atmosphere and make the earth warmer
1.) inhale
2.)
3.) expands
4.) mouth
5.) nose
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16.) exhale
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19.)
20.) mouth
That’s all I got so far
