Change of phase is a process whereby matter changes form (solid, liquid, gas).which one of the following constitutes a phase change?
*burning of wood
*digestion of food
*exhaling
*melting of candle wax
*photosynthesis

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

9. the history of life on earth is recorded in