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3.

Left-bottom is Liver.

Right-bottom is Stomach.

4a.

Excretion.

4b.

Kidney help to filter our blood and get rid of waste products through urine or sweat.

5.

3, 2, 1, 4

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

credit to kalahira

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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