What volume of nitrogen gas (N₂) is equal to 3.42x10²² molecules of this substance?

The rock in a lead ore deposit contains 89 % pbs by mass. how many kilograms of the rock must be processed to obtain 1.5 kg of pb?

Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.