What human made mechanisms are responsible for increasing the rate of global warming? ? (list at least 3 )

1. list three scientific reasons cockroaches may fly.

Name the element in group 17, period 2. (periodic table)

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)