The first choice on the list is the correct one.
time=distance/speed
1.6/100 secs = 0.016secs=16millisecs
Your answer is 8. You add 2 + 1 + 5.3 to get 8.3. You round down to 8 because of the sig fig rules.
Explanation:
The magnetic needle of a compass lines up with Earth's magnetic poles.
the answer is d it reflects all the wavelengths of visible light.
