Which event is a chemical change? O a) The paint cracks and chips,
O b) The roof
the car dents
Oc) The baseball strikes the roof.
O d) The exposed metal rusts.

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.