Explain the process of how to determine the charge on the T tape and the B tape using a balloon. Be very specific in your explanation by including terms such as: positively charged, negatively charged, attract and repel.

Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel

Once similarity and one difference between a mixture of elements and a mixture of compounds

Which of the following has expanded our knowledge of the universe beyond our solar system the most? a. manned space travel b. the hubble space telescope c. the pioneer and voyager missions d. the international space station