The unit used to measure wavelength is a Nano-meter
<span>Density can be calculated and found by dividing the sample's mass by its volume. D=m/v</span>
I believe the answer is b) slowly heating the surface
Answer:
No
Explanation:
There is no limit to how fast the universe can expand, says physicist Charles Bennett of Johns Hopkins University. Einstein's theory that nothing can travel faster than the speed of light in a vacuum still holds true, because space itself is stretching, and space is nothing.
