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what evidence is there to show that changing sand to glass is a chemical change
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Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.
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Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above
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Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.
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what evidence is there to show that changing sand to glass is a chemical change...
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