Answer:
sound water because sound is the most important electronic wave for water
- The length of its image =
Given,
length of object, 
We know, for flat refracting surface,
Image distance = object distance
So,
magnification is = 
length of the image,
Here, negative sign means inverted image.
For more information on refraction, visit
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1: <span>Tides are caused by the location of the Earth, sun, and moon.
2: </span><span>Tides occur about an hour later each day.
This is because of the earth's orbit and the moons position as they move.
</span><span>
3: </span>Half as much as the moon
The moon affects the tide much more than the sun, as the moon is drastically closer to the earth than the sun.
This is a divergent plate boundary because the two tectonic plates are colliding together.
