Q: What happened to earth's species during the permian period? Choices: - evolution - duplication - division - mass extinction A:
mass extinction

Q: The heat capacity of an object depends on its chemical composition and what other property? Choices: - volume - concentrations - weight - mass A:
mass

Q: What is the name of the zone where water is deeper than 200 meters called? Choices: - transition zone - euphotic zone - eccentric zone - aphotic zone A:
aphotic zone