simple sources- complex sources
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protein
There are many sources that humans can get their energy from. Humans typically get their energy from different food sources.
Fish and crops.
we need different sources of energy in order to survive for example without chemical energy we can't have food and in order to survive we need food.
You get nutrition from food. Different food sources give you certain nutrients to keep your body healthy and alive.
Early man were hunters and gatherers. Depending on where they had many food sources.
A plant cannot get its food from other sources other than the cotyledons. There are different types of cotyledons and each has a different shape.
1}It is used as food for predators 2}It is used as crop pest
Producers obtain food from fresh market sources and ordering through different vendors. They have buyers on the set that are responsible for obtaining the food for the shows.
What are the main food sources of photic zone
why different sources of financing have different costs