Given the balanced equation representing a reaction: h2 → h + h what occurs during this reaction? 1. energy is absorbed as bonds are formed. 2. energy is absorbed as bonds are broken. 3. energy is released as bonds are formed. 4. energy is released as bonds are broken.

Which of these best describes the scientific process

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.

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents