Which four states extend south of 30°n?

The blank theory suggests that the sun, planets, and other celestial bodies of the solar system came from a cloud of dust and gas? a.) condensationb.) steady state c.) big bang d.) nebular

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

In the construction of new housing development, which factor of production can be categorized as land?