Instructions 1. Suspend two inflated balloons by threads and tie them to a piece of string at the same point.
2. Rub each balloon with a piece of material.
A. What happens to the balloons when they are close together? What does this mean about their charge?
3. Cut two 3-by-12 inch strips of material from the nylon stocking.
4. Place both strips on a piece of white paper and rub them briskly in your hand.
5. With your fingers, lift the two pieces of nylon and hold them side by side.
B. What happens and why?
C. What electrical charge is present on the nylon strips?
6. Now bring one of the nylon strips near one of the balloons.
D. What happens? Explain what this means about the electrical charge of the nylon strip.
E. How does this investigation demonstrate the concept of ions and ionic bonding?

b. regulated is the actual answer to your question.

explanation:

4.) metal

"-the movement of carbon from the nonliving environment into living things and back to the environment

-carbon is the essential component of proteins, fats, and carbohydrates (which make up all organisms)

-carbon exists in air, water, and living organisms

-producers convert carbon dioxide in the atmosphere into carbohydrates during photosynthesis

-bacteria in the atmosphere cycles through the system in filtration units

-in cellular respiration, carbon is released back into the atmosphere as carbon dioxide

-some carbon is stored in limestone (forming one of the largest "carbon sinks" on earth)

-largest carbon reservoir on earth= limestone

-carbon stored in the bodies of organisms as fat, oils, or other molecules may be released into the soil or air when the organism dies

-this may form deposits of coal, oil, or natural gas (fossil fuels, which increased the atmospheric carbon dioxide)

-fossil fuels store carbon left over from bodies of organisms that died millions of years ago

-they are located in the surface of earth, deep within the earth and beneath the ocean floor."    

the answer is b. glad to .