Rift Valley
A rift valley is a lowland region that forms where Earth's tectonic plates move apart, or rift. ...
Tectonic plates are huge, rocky slabs of Earth's lithosphere—its crust and upper mantle. ...
Many rift valleys are part of “triple junctions,” a type of divergent boundary where three tectonic plates meet at about 120° angles.
Answer: Twice
Explanation: With quadratic functions they are usually represented by parabolas and they can cross the x axis only once or twice :)
