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level 3  unit 3  part 2 vocabulary

biology is study of life, including its structure and evolution
biology study how life survives and reproduces
chemistry is the study of matter, including the structure of its atoms and molecules
chemists study how various substances interact with each other
astronomy is one of  the oldest sciences

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level 3  unit 3  part 2 listening

quickserve is a home repair company
it provides quick,reliable repair services to homes
quickserve handles plumbing and  electrical issues twenty four hours a day
it also cleans roofs  fixes internet connections, and replaces broken windows
for a small fee, customers subscrible  to the  services

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