environment, All the living and non-living things that surround an organism and affect how it lives and survives., evidence, Information, observations, or data used to support an idea or conclusion., observe, To carefully watch, notice, or measure something using the senses or tools., human impact, The effects that human activities have on the environment and living things., satellite image, A picture of Earth taken from space that helps scientists study land, water, weather, and changes over time., glacier, A large, slow-moving mass of ice formed from compacted snow over many years., meander, Describing a winding or curving path, especially of a river..

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