Answer:
A geothermal power plant works by tapping into steam or hot water reservoirs underground; the heat is used to drive an electrical generator.
Mass is Matter, material, or a large quantity; a sum quantity or large in number.
Weight is the force on an object due to the gravitational attraction between it and the Earth (or whatever astronomical object it is primarily influenced by). An object used to make something heavier. A standardized block of metal used in a balance to measure the mass of another object.
Chemical reaction is the answer
........................, a stool guaiac test was done to DETERMINE THE PRESENCE OF HIDDEN BLOOD IN THE FECES.
The stool guaiac test is one of the tests used in the medical laboratory to detect the presence of occult fecal blood. The test is very sensitive and can detect even minute traces of blood in feces. The test is typically done to detect the presence of blood in the digestive tract. A negative result obtained for the test implied that there is no stool in the blood.