What is the relationship between the developed land and the brightness temperature

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 a possible quantum number set for an electron in the 3s orbital of a magnesium atom

Why is it incorrect to balance a chemical equation by changing the subscripts? explain.