What is the density of a block of marble that occupies 249 cm3 and has a mass of 937 g? Answer in units of g/cm3.

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

How many atoms are there in 5.70 mol of mg

Match the mixture with the substance// i really need on this guys (it’s a pic btw)