Answer:
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Explanation:
Answer: B. the pH in the stomach is not suitable for the amylase to work.
Explanation: When carbohydrates reach the stomach no further chemical breakdown occurs because the amylase enzyme does not function in the acidic conditions of the stomach.
Answer:
The combustion of fossil fuels such as coal and oil has raised the concentration of carbon dioxide in the atmosphere during the last century (CO2). This occurs because the combustion of coal or oil produces CO2 by combining carbon in the air with oxygen.
When new emperical evidence is discovered
