Water molecules forming hydrogen bonds with one another. The partial negative charge on the O of one molecule can form a hydrogen bond with the partial positive charge on the hydrogens of other molecules. Water molecules are also attracted to other polar molecules and to ions.
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them.
Drug addiction is a brain disease because the abuse of drugs leads to changes in the structure and function of the brain.........
Drug addiction occur after excess drug intake....
B since there are two nuclear envelopes it is the last stage -- telophase
