What causes cancer cells to develop?

The answer is; cancer occurs due to unregulated cell division

This causes them to proliferate causing a mass of cells and affect neighboring tissues. The cells are usually undifferentiated and therefore do not function properly as tissue. This unregulated division is due to malfunction of the tumor suppressor gene that is significant in cell cycle regulation and apoptosis.

b) the inside picture would look at a very high temperature in a very low ph

i think the answer is 95 hope this