Someone plz help I’m on a time limit :( What patterns occur in the Earth-Sun-Moon system that allow us to identify the cause of
eclipses?

Earth's rotation and orbit and the Moon's orbit cause observable patterns (Day and night, seasons, phases of the Moon, tides).

b.transmitters send radio waves, and receivers capture radio waves.

the simple machine has three main features. they are:

fulcrum is the center point or pivot point of the machine. effort is input force/ applied force. load is external force/ output.

the keisha 's machine labels are

x : load

y: fulcrum

z: lever