______________ is trash that is disposed of in a way that harms ecosystesms

_______ is a system or group of living organisms that are connected and create a community within their environment

____ is the influence or affect someone or something has

_________ is waste that can pollute the environment even in small amounts

_______ is a material that causes pollution

______ is the air, water, minerals, organisms, and all other outside factors surrounding and affecting a given organism at any time

_____ is matter that breaks down easily in the environment

____ is decayed material from once-living things that is used to enrich soil

____ means to travel to natural habitats to help preserve these areas and the living things there

___ is the addition of harmful materials to the environment

___ is an organism that breaks down the remains of dead organisms

____ is to collect old materials, process them, and make new items

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