Q: Rolando wants to see at what temperature various liquids boil. He boils tap water and records the temperature. He then boils tap water with milk added and tap water with sugar added. What is the purpose of boiling plain tap water first?
A: to provide a standard by which to compare the results
Q: The water cycle describes the continuous movement of the water of Earth. Which part of the water cycle is directly responsible for returning water to the soil?
A: precipitation
Q: What is the primary source of energy that causes evaporation of water from the surface of bodies of water?
A: solar radiation
Q: All of the following are part of an animal life cycle except
A:
binary fission.