Liberation of Nazi extermination camps by Allied soldiers
Explanation:
Answer:
Food needs to be broken into smaller particles so that animals can harness the nutrients and organic molecules. The first step in this process is ingestion: taking in food through the mouth. Once in the mouth, the teeth, saliva, and tongue play important roles in mastication (preparing the food into bolus).
Answer: Soil in Sub Saharan Africa is poor because
a) it is often overworked and undernourished
b) farmers sometimes don't have enough money to maintain it
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