We need optics to help aid people who have short or long sightedness.
we need optics to be able to watch TV
we need optics to be able to use the internet at high speeds
there are a tonne of reasons why we need optics.
Answer:
kettles: holes left by glaciers.
cirques: three-sided valleys
erratics: large, out-of-place rocks bouldersleft by glaciers.
drumlins: egg-shaped hills
Explanation: APEX
What is the strength of the electric field between two parallel conducting plates separated by 1.00 cm and having a potential difference (voltage) between them of 1.50×10^4v ?
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A. inertia
Because it has to do with the motion of something, especially if it changes its pace. In this example, the book's motion, when sliding on the table, decreased because of less force being given off from the student.