The sun is a star it does the energy for the palnts,people,plants,and animals without the sun this life would not exists noting will without the sun so I hope that help you sorry I have not give you more stuff/:
A screw drive is a screw mechanism that moves and hydraulics is a fluid pressure system
A good gear driven oil pump is the best one for the system.
erosion
no that a earthquake
magma moves up earth suface
the tectonic plates under the earths surface
That's when we have a lunar eclipse.
Those would be tectonic plates.
Water which moves over the earths surface after having precipitated (rain, snow, etc) is known as runoff. Most rivers get the majority of their water from precipitation runoff.
It is an iceberg.
Runoff
Plate