Question

what are hydraulics powered by? select the best option. pressurized liquid sand air human power

Explanation:

Hydraulics is a technology that uses pressurized liquid to transmit power. Sand is a solid and not used for hydraulic power. Air is used in pneumatics, not hydraulics. Human power is not the primary power source for hydraulics. So the correct option is Pressurized Liquid.

Answer:

A. Pressurized Liquid