Controlled nuclear chain reactions a. take place in nuclear reactors. b. are always fusion reactions. c. never produce radioactive by-products. d. are characteristic of atomic bombs.

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what