You are presented with the quiz "What can determine the volume of water?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "ameasuring cup is used for measuring the volume of substances" and "for example, water is a substance". So, what's the best answer to the question?
Options:
(1). belt size
(2). watershed
(3). evaporation
(4). rulers
(5). mouth of rivers
(6). streams
(7). measuring tape
(8). measuring cups
(8).