Complete the following sentences: 4.5.1 pH scale ranges from
4.5.2 in medicine, certain diseases are diagnosed by the pH of
4.5.3 Baking soda is a common name for

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.

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?