Which of these units is most appropriate for describing a 26-mile marathon run?

a)tetrameter
b)gigameter
c)kilometer
d)nanometer

If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

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.