What is a pure substance - bread, salt, seawater, or soil?

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

Can someone me with 1 to 4 plz. fast

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?