Answer:
Components to cleaning hands with waterless hand sanitizers (also known as handrubs), the proper technique, and how hand sanitizers work.
Explanation:
Four steps:
Make sure all organic matter is removed from hands.
All visible organic matter (for example: dirt) must be removed from hands prior to applying waterless hand sanitizer.
Apply a dime sized amount of waterless hand sanitizer to the palm of one hand or use a waterless hand sanitizer wipe.
Rub hands together covering all surfaces of hands and fingers.
Rub until waterless hand sanitizer is absorbed.
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Observation is a very important part of science. It lets us see the results of an experiment, even if they are not the results we expect. It lets us see unexpected things around us that might stimulate our curiosity, leading to new experiments. Even more important than observation is accurate observation. Often, our eyes and our brains play tricks on us, letting us see what we expect to see, instead of what is actually there.
Sentence 4
The topic sentence should set up what the paragraph is going to be about. This paragraph is about both heroes of the 1940s and heroes of the present, and sentence four is the only sentence that includes both. It also provides an indication that the paragraph is going to be comparing both types of heroes to each other.
