additional proof that something that was believed (some fact or hypothesis or theory) is correct

additional proof that something that was believed (some fact or hypothesis or theory) is correct

additional proof that something that was believed (some fact or hypothesis or theory) is correct

additional proof that something that was believed (some fact or hypothesis or theory) is correct

additional proof that something that was believed (some fact or hypothesis or theory) is correct

additional proof that something that was believed (some fact or hypothesis or theory) is correct

additional proof that something that was believed (some fact or hypothesis or theory) is correct

additional proof that something that was believed (some fact or hypothesis or theory) is correct

the principle that equal volumes of all gases (given the same temperature and pressure) contain equal numbers of molecules

A set of statements or principles devised to explain a group of facts or phenomena, especially one that has been repeatedly tested or is widely accepted and can be used to make predictions about natural phenomena, An assumption based on limited information or knowledge; a conjecture, A doctrine, or scheme of things, which terminates in speculation or contemplation, without a view to practice; hypothesis; speculation