The center of a star is extremely __and
A. sulfuric;argonic
B. Hot:Loose
C. Hot;Dense
D. metamorphic:igneous

What properties of a moving object are used in determining the object's energy of motion

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.

What are two different ways you could find the value of a? explain these methods.