Answer:
yes because without microscope our eye will damage
Explanation:
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It would be primary since the writer himself is getting the information from a direct source.
Increasing the temperature might cause proteins within an enzyme to denature. This will cause the enzyme to stop working properly.
You can carry out a test ,
1- take a sample of the air in a test tube
2-add limewater to the test tube
3- result : if it turns milky/cloudy it has microorganisms
4- reason: because every microorganism respires , and so it produces Carbon dioxide .
and limewater is the test to show the presence of Carbon dioxide .