Fish poop.
Tropical white beaches get their pearly white color from the excrement of fish far off of the coast which eat coral and other things that reside on the ocean floor. When they eat they swallow some sand into their mouths as well, and process it with the food they just ate. Their stomachs can't really digest the sand, tiny minute rocks essentially, and thus turn their color white. Or the rock forming the sand can be naturally pigmented a whitish tone as well.
Answer:
Sequence C
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Answer:
Explanation:
The higher the Resistance, the lower the current. So if the resistance is 5 and 10 then the 10 ohm resistor has the lower current.
Answer:
As the wave moves to and fro so the total distance will be d=2x5=10 m
we have
time (t) = 5 s
hence velocity will be =2 m/s