How can water become an acid or base?

What process allows for the development of haploid sex cells? mitosis meiosis fertilization pollination

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body