25 points me i have to make a thermos in science class using a styrofoam cup, cottonballs, and tinfoil. it has to keep water cold for as long as possible. what is the best way to make a thermos out of this stuff to keep it cold? tape cottonballs around the cup and put tinfoil on the outside? i have no idea me . : )

An uplifted block of rock between two normal faults

What happens to atoms and chemical bonds during a reaction?

Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate