I think its a primary source because if there isn't much info to go off of
Answer:
Convection currents drive the movement of Earth's rigid tectonic plates in the planet's fluid molten mantle. In places where convection currents rise up towards the crust's surface, tectonic plates move away from each other in a process known as seafloor spreading.
Explanation:
Answer:
volcanoes and erosion
Explanation:
both could be right but im sure of volcanoes
Urban areas would be the awnser
Answer:
When an artesian aquifer is tapped by a well the pressure pushes the water up the well, sometimes all the way to the surface, creating a flowing well.
Explanation:
Pressure on the aquifer pushes water up the well without the need for a pump. ...