What is the purpose of adding antifreeze to the water in the radiator of a car? to lower the activation energy of the water. to increase the amount of heat that can be absorbed. to raise the activation energy of the water. to decrease the amount of heat that can be absorbed.

The density of glycerin is 1.26grams/centimeter cubed . how many is this? use the conversion rates of and . express your answer to the correct number of significant figures.

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

Compare and contrast refraction of light and sound will give brainliest