The answer is A) emulsified by bile salts
<span>In order for the fat to be digested, the fat globules must be emulsified first by bile salts in the stomach. By emulsifying we mean the breaking of globules of fat into much smaller emulsion droplets. The liver produces the bile salts which breakdowns fats into small droplets. The fat then is digested by lipase. </span>
Comparative and experimental investigations are two of three scientific investigations, the other is descriptive investigations.
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Answer:
Charles Darwin is best know for Natural selection