Which statement describes a endothermic reaction? A. Energy is created in the reaction B. No energy is transferred by the reaction C. Energy is absorbed by the reaction D. Energy is released by the reaction

There is an area in idaho named craters of the moon where most of the ground is covered with basalt, adark gray, igneous rock with no visibl crystals. what can you infer about the geographical history of the area?

C3h8o3 - glycerol major species present when dissolved in water

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?