The greatest concentration of metals occurs in earths

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

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.