Jeff’s father is installing a do-it-yourself security system at his house. he needs to get a device from his workshop that converts electric energy to sound energy. which device is jeff’s father looking for?

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.

Which compound contain an iron with a 3+ charge

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both