Urban areas tend to be warmer than the rural areas that surround them. this is mainly caused by how the materials that humans use for building, such as concrete, absorb and radiate energy from the sun. this is known as the "heat island" effect. which of the following can be altered by the heat island effect? a. local weather patterns b. local volcanic activity c. the ocean tides d. the movement of crustal plates

the correct answer is A. hope it helps :)

The Red blood cell swells and burst because the IV fluid is Hypotonic (contains more water or solvent ) to the red blood cell, the red blood cell is consequently hypertonic (it contains more solute ) to the IV fluid In other to maintain balance, the red blood cell to absorbed more water from the IV fluid via the process of osmosis this eventually led to swelling and bursting of the red blood cell. This process is is known as hemolysis