Describe cause and effect relationships from the readings that are related to chemical changes. Explain how the relationships might be helpful or harmful to different substances. Make connections among the facts to show these relationships. Cite facts from the texts in your response. Also cite what you may already know. Type your answer in the text box below.

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

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.

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?