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:
B
Explanation:
the balloon has a negative charge and the metal sphere has a positive charge
Answer:
3 significant figures are in 1.02m
Explanation:
1. is D. Scientific method cannot be replaced.
2. is B.
3. is B as well.
Answer:
Furthermore, the Pythagorean theorem works when the two added vectors are at right angles to one another - such as for adding a north vector and an east vector.