The moon and the earth's oceans.
the moon and the sun
Neurotransmitters and hormones work together to form the neuroendocrine system.
Lunar tides and solar tides partially cancel each other out. (During high tides, they work together)
It causes the tides (together with the sun).
The moon's gravitational pull on the earth is what causes tides.
Tidal energy is a form of renewable energy that harnesses the power of tides to generate electricity. It works by using the kinetic energy of the moving water, such as tidal currents or the rise and fall of the tides, to turn turbines or other devices that generate electricity.
Spring tides
Spring tides.
The moon's gravitational force is what causes the ocean tides to change. How Stuff Works has a great diagram and explanation of how this happens.
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High tides form when the moon's gravity pulls on the side of the Earth facing the sun and facing away from the sun. This forms high tides
Tides form due to variations of gravitatinal pull between earth ,moon and sun.