Aswimmer has an accident at a local swimming hole and almost drowns. which question could best you understand how the accident happened? a. had the person been having fun? b. did the person have family members who taught him to swim? c. had the person been drinking? d. did the person have cpr training?

You are doing a science experiment with a fahrenheit thermometer. your data must be in degrees celsius. if you measure a temperature of 125°f, what is this temperature in degrees celsius

Dangers of static electricity and how to prevent them.

12. what is a phase change? construct a heating-cooling curve for a substance that freezes at –23.0 °c and has a boiling point of 67.0 °c. name all possible changes that can occur among the vapor, liquid, and solid phases of this substance, and name the four phase change enthalpies involved. indicate whether these changes are exothermic or endothermic. (6 points)