Why do scientists track virus mutations and how might tracking these variants be helpful in preventing and treating the virus?

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.

Compare and contrast refraction of light and sound will give brainliest

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2