Which of the following materials is likely to be the best insulator?
-silver
-phosphorus
-silicon
-calcium

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

Modern weaponry has increased the number of deaths in wars and violent conflicts.

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n