Me explican q son las teorías de desarrollo desigual y la lineal, lo necesito rápido por favor

In stage 2 farmers used the land primarily to grow food for their families and their small communities.

These factors threaten north americas ecosystems

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition c. conduction. d. density.