The food group is fats (sweets and oils)
The superscript of element Cl⁻ indicates it is a negative ion.
Preserves animal tracks are called trace.
The answer is <span>fermenting plant material to produce ethanol. The farmer was able to come up with a new product besides his harvested plants.He can now make this as a business and start to gain profit. Ethanol can also be linked as a source of material to make other related products. </span>
B . By altering the enzyme's shape and structure due to a change in its optimal pH.
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