What are two solid structures that expand and contract

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

What is formed when amino acids form long chains or polymerize