Answer:
You will find me with four legs, but no hair. People ride me for hours, but I don't go anywhere without needing to be tugged. Jerked or turned on, I always manage to be ready for work.
Without this, eating food and Steven Spielberg's career would be very different.
You eat something you neither plant nor plow. It is the son of water, but if water touches it, it dies.
Be sure to shout for its answers are weak, but there is no language it cannot speak.
Weight in my belly, Trees on my back, I travel fast in my place, but feet is a feature I lack
I always have to work with something in my eye. What am I?