The answer is Mentruation
We breathe in oxygen and some of this carbon dioxide. When we exhale, we breathe out less oxygen but more carbon dioxide than we inhale. The carbon we breathe out as carbon dioxide comes from The carbon in the food we eat.
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We breath in ox
Answer:A.
improved grades on individual assignments
Explanation:
Because if he or her working on invidious assigments there grade could go higher.
Answer:
taking a tranquilizer every night when the label warns not to take it on consecutive nights.
Explanation: