I believe the answer for your question is C
Answer:
The suffix-trophy variously means nourishment, feeding and growth.
Lifestyle is the personal choices one makes about how to live his or her lives.
Ex:
1. The food you eat
2. Sexual Behavior
3. Using tobacco
4. Drinking alcohol
5. Stress management
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