Which of the following is the main function of the Circulatory System? A: Helps the body move
B: The transport oxygen and nutrients around your body and help to get rid of wastes
C: Breaks down food into molecules the body can use.
D: Directs the way your body responds.

B: The transport oxygen and nutrients around your body and help to get rid of wastes

Explanation:

The circulatory system carries oxygen and nutrients to the body, but it can also help get rid of waste (though that isn't a huge function of it).

pure water does not conduct electricity very well. however, when certain substances are dissolved in water, the solution does conduct electricity. you can make a simple device that shows how well a solution conducts electricity. this device uses a flashlight bulb to indicate how well the solution conducts electricity. the better the solution conducts electricity, the brighter the bulb will glow.

explanation:

the answer is d. 74.02