Valve is a full-way valve used to regulate fluid flow in which a threaded stem raises and lowers a wedge-shaped disk which fits against a valve seat within the valve body.

Quick asap will give brainiest ! what best describes the same pattern of tides on earth throughout the day? neap tides spring tides semidiurnal tides nocturnal tides

The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the