Humans have used rocks in the creation of tools and building materials true or flase

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.

What is the independent variable in this investigation? mass volume sample number substance density

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)