Doctors can perform tests called biopsies to determine whether cells in an area of tissue are cancerous or not. Cells are removed from the area, sometimes by a punch biopsy, and then viewed under a microscope.

Abeaker of water was heated and then placed on a bench in the laboratory. the water cooled until it was the same temperature as the air in the laboratory. which of these explains the mechanism by which the water cooled? a. heat energy was transferred from the water to the air. b. water molecules from the water formed warm water currents. c. the water molecules absorbed energy from the molecules in the air. d. the water released radiation until it contained no heat energy.