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10. When something is extinct, it means there are no more of its kind alive anywhere in the world.
endangered
extinct
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When there are very few of a certain type of animal or plant left.
extinct
endangered
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A person who cares a lot about nature and works to protect it.
environmentalist
naturalist
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To reduce to the smallest possible amount, extent, size, or degree.
extinct
minimize
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A chemical used to kill bugs that harm plants or crops.
climate
pesticide
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Something that has been made dirty or harmful, often by adding unwanted stuff.
hazardous
contaminated
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Something that could be dangerous or cause harm.
hazardous
contaminated
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A mix of organic stuff like leaves and kitchen scraps that turns into rich soil for plants.
ecosystem
compost
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All the plants, animals, and things in an area working together.
ecosytem
environment
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It's the usual weather in a place over a long time.
seasons
climate
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