Apostrophes are used to show possession (e.g. "John's book"), contraction (e.g. "can't" for cannot), and to indicate missing letters in a contraction (e.g. "they'll" for they will). It's important to avoid using apostrophes for plural forms, such as "apple's" for apples.
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You MUST use the coarse focus knob.
The lens that you should use to first look at a slide on a microscope is a low power lens then move on to a higher power for more clarity.
so people dont distroy the planet
The clinometer should be aligned with the two dots that should be measured. Afterwards one can read the declination from the corresponding measuring tape.
It sets or adjusts the coarse of a speciment in a microscope.