science - a way of learning about the natural world, follow - to travel behind, go after, come after, update - to make more modern, revise - to correct or improve, keyboard - a set of keys on a computer, develop - to become bigger or more advanced, discover - to find out, observe - to watch carefully, biologist - a person who studies living things, chemist - a person trained in chemistry, exist - to be real, earthquake - shaking and vibration of the surface, specimen - an example, physicist - a scientist who studies or is a specialist in physics,

Focus 2 unit 2.1

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