Did reptiles or amphibians occur first?

Which of the following types of nonrenewable fuel sources requires the storage of radioactive waste? a. coal b. nuclear c. solar d. oil

Choose the factors that influence the climate of the u.s. northeast. distance from the equator proximity to large urban areas elevation secluded area distance from a large body of water

Countries that have a traditional economy often develop at a slower pace than countries with a free market economy. true or false