The volume of a 67.2-gram sample of platinum with a density of 21.5 g/cm3 is:

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Gymnast always perform on padded mats. how does the mats protect the gymnast

Compare and contrast refraction of light and sound will give brainliest