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.
Mendeleev’s chart allotted spaces for elements that were yet to be discovered. For some of these missing pieces, he predicted what their atomic masses and other chemical properties would be.
Answer:
Brain
Explanation:
It tells the other organelles how to do things
Avogadro Number of molecules is contained in 1 mole of water
6.02 * 10²³ molecules are contained in 1 mole of water.
2 * 10²² molecules will contain: (1* 2 * 10²²) / (<span>6.02 * 10²³)
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≈ 0.0332 mole of Water.