Charge the Ebonite, PVC, or acrylic rod with the wool cloth by rubbing the rod with the cloth. This will make the rod negatively charged. Hold the rod about 6 inches above the electroscope. Record your observations as you lower the rod closer to the electroscope

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

the ima (higher than 1m) will be greater than the ima with the height of 1m.