I need help please?

The african continent is home of the worlds largest desert and longest river . t or f

According to the sector model, in which region or regions would you most likely find industrial and transportation development?

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet? the planet started to cool and an atmosphere formed. the planet started to become round and heat up. the planet started to wobble and turned upside down. the planet started to compress rock and form more radioactive elements.