Write two criteria that used to classify settlement as urban.​

Which of the following energy sources is not an example of renewable energy? a. a wind turbine farm b. a clean-burning, coal-fired electric plant c. a hydroelectric dam d. a solar panel mounted on a home

In order from largest to smallest what are earths five main oceans

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic