It travels by conduction.
the sun travels along the ecliptic
z-axis
It depends on your frame of reference. The earth travels around the sun. The sun travels around the centre of the Milky Way Galaxy and takes the earth along with it. So the earth travels at the combined speed of those two motions. But then, the Milky Way Galaxy rotates around the centre of our local cluster and takes the Sun and the earth along with it. So the earth travels at the combined speed of those three motions Our local galactic cluster is not static, so ... And so on. Where do you stop and say this is the fixed point of reference against which I will measure the speed of the earth?
it travels along the sheet becaues of the wave of energy
The linea alba is the aponeurosis that travels along the ventral abdominal midline.
Electricity
No, that's a `year`. A day is when the planet has spun once on its axis.
The Earth travels along a path called the Ecliptic.
vent
A grounder is a hit that travels along the ground.
surface waves