A system is best defined as?

How is the gravitational force related to the distance between two objects?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

One number is said to be an "order of magnitude" larger than another number if choose one: a. it is 10 times larger. b. it is 5 times larger. c. it is 3 times larger. d. it is 100 times larger. e. it is 2 times larger.