natural hazards, natural event that causes damage or loss of lives, renewable resources, sunlight, air, water: cannot be used up, nonrenewable resource, oil, coal, gas: used up faster than they can form, pollution, environment contaminated by harmful substances, adapt, humans make changes to behavior or their environment to survive, modify, humans make physical changes to the environment, climate, a pattern of weather over time, weather, specific event that changes day by day, equator, imaginary line around Earth

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