Answer:
A. Optical fibers transmit light signals in high-speed communications.
Explanation:
You didn't include the image, but it probably showed light bouncing off the sides as in the diagram below.
It demonstrates how optical fibers transmit light signals in high-speed communications.
B is wrong. Satellites communicate by radio waves.
C is wrong. Solar cells convert light energy to
D is wrong. Power plants transmit electrical energy to homes through copper wires.
Answer:
It will not dissolve. More crystals will separate from the solution.
Step-by-step explanation:
If you add a crystal of ammonium nitrate to a supersaturated solution of the solute, it will not dissolve.
Instead, it will act as a "seed" on which more ammonium nitrate crystals will form.
They will separate from the solution as long, colourless, needle-like crystals until the solution is no longer supersaturated.
The answer is . A magnesium atom has 12 protons and an arrangement of [2, 8, 2]. When you lose two electrons, arrangement becomes [2,8] and the atom becomes a positively charged ion