The correct answer for this is A. <span>Accompany her to talk with your parents or another trusted adult to ask for help
when a friend is under the problems of addiction, it's always best to get help from a trusted adult.</span>
Explain why the speed of light is lower than
3.0 × 108 m/s as it goes through different media.
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the molecules are forced to vibrate. that vib causes re emission. speed of emiited waves less than in vac.
If you mean what types of measurements are used to measure in outer space, I believe it’s light-year, astronomical unit and intergalactic measurements, but I’m not completely sure.
Hopefully this helps...
For figure one the “+” are protons and the “-“ are electrons for the second one the middle is the nucleus and the other is the orbit