Which phase of cell division including the pinching off or cleaving of the cell into two cells

Cytokinesis.

Cytokinesis is the phase of cell decision in which the cytoplasm and cell splits into two. Hence, answering the statement provided.

Therefore, cytokinesis is the answer to your question for the fact that this phase of the cell cycle is when the cell splits into two.

Hope this helps!

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint