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biodiversity – n. the existence of many different kinds of plants and animals in an environment
satellite – n. a machine that is sent into space and that moves around the earth, moon, sun, or a planet
zooplankton – n. plankton composed of animals
two-dimensional -- adj. having or looking to have length and width, but not depth
wind turbine – n. a structure that has large blades attached to an engine and that is used to produce electricity
snorkel -- v. to swim and look underwater while breathing through a tube
