It is c. White blood cells
Cells divide in an effort to reproduce and create more of themselves to keep their larger- encompassing species sustained.
Answer:
Because it is a solid that has trapped air with the water molecules in cold temperature thus creating a hard solid.
Plant cell walls are rigid membranes on the outermost part of the cell. The cell wall provides a structured shape for the cell, helping the cell retain its form and shape. The cell wall also controls the rate of replication, allowing plant cells to replicate at a much slower rate than animal cells.