Bronze is made by mixing molten copper and tin. If 200kg of the mixture contains 75% by mass of copper and 25% by mass of tin, calculate the density of bronze given that density of copper is 8900kg/m3 and density of tin is 7000kg/m3.

Ihave this 50 question test the layer of earth's atmosphere where atoms and molecules escape into space is referred to as the a) exosphere b) ionosphere. c) mesosphere d) thermosphere

Drag the tiles to the correct boxes to complete the pairs. match the jobs with the education requirements. childcare director clinical psychologist concierge cosmetologist vocational school and state licensure arrowright on-the-job training arrowright a ph.d. with licensure or certification, depending on the state in which you live arrowright a bachelor’s degree in early childhood development arrowright

What happens to the electrostatic force between two charged particles if the distance between them is doubled?