Answer:
plants because the green vegetation is our ecosystem source of energy converted into oxygen.
This is the correct answer
Troposphere because it is at the very top. As u delve deeper, you get to the core which is the hottest part of the earth
<span>simple and complex
"complete and incomplete" are terms used for proteins in nutrition. "macro and micro" are terms used for nutrients in nutrition. And " saturated and unsaturated are terms used for fats also in nutrition.
The difference between simple and complex carbohydrates is related to the way they are digested. Simple carbohydrates are quickly absorbed and ready to be used, while complex carbohydrates take longer to be absorbed and supply energy through a longer period of time.</span>