Answer:
Mechanical digestion begins in the mouth as the food is chewed. Chemical digestion involves breaking down the food into simpler nutrients that can be used by the cells.
Explanation:
Chemical digestion begins in the mouth when food mixes with saliva. Saliva contains an enzyme (amylase) that begins the breakdown of carbohydrates.
An example of sustainable resource use is the use of predators and parasites to,
<span>control insects</span>
Answer:
The nucleus contains "the cell's genetic material, DNA." DNA makes protein molecules to help with almost every cellular process
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I think its sunspot because its on the sun and it looks like a spot
