Pollution. Smog smog – mixture of chemicals that forms a haze in the air (Nitrogen Oxides etc) smoke from cars and factories release the chemicals.
Chapter 15 Refrigeration Refrigeration systems: To cool a refrigerated space or to maintain the temperature of a space below that of the surroundings.
8 th Grade Science Unit 7: Changes in the Earth Lesson 2: Global Warming – Who Moved the Carbon? Vocabulary of Instruction.
