50 POINTS Do further research on this photo-reactive process and then write a 500-word essay on the pros and cons of the controversy of using chlorofluorocarbons as aerosol propellants. Include and cite recent scientific findings and explain why the ozone layer is so critical to our existence.

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

The clouds are grey and ground is wet. a quantitative b qualitative

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?