Accounts for most of a cell's mass.
a. water
b. food
c. carbon dioxide
d. chlorophyll

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:

first one is the correct answer

the solar system used to have much dust particles option no d