What are the benefits and limitations to using heating curves to studying phase change of a substance?

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?