Explanation:

- The plate movements on Earth are primarily classified into three types:

- Convergent Boundaries: Plates move towards each other, often causing mountains or subduction zones.

- Divergent Boundaries: Plates move apart, typically forming mid-ocean ridges or rift valleys.

- Transform Boundaries: Plates slide past each other horizontally, leading to earthquakes along fault lines.

- Option 1: Three types – This is correct.

- Option 2: Two types – Not accurate; there are three primary types.

- Option 3: Five types – Overstates the primary classification.

- Option 4: Six types – Overstates the primary classification.

Correct Answer: Option 1, three