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assess– v. to make judgment of something
pesticide – n. a chemical that is used to kill animals or insects that damage plants or crops
pollution – n. substances that make land, water, air, etc., dirty and not safe or suitable to use
environmental - n. the conditions and influences that affect the growth, health, progress of someone or something
sediment – n. material (such as stones and sand) that is carried into water by water, wind, etc.
chemical –n. a substance (such as an element or compound) that is made by a chemical process
invertebrates – n. a type of animal that does not have a backbone
crustacean – n. a type of animal (such as a crab or lobster) that has several pairs of legs and a body made up of sections that are covered in a hard outer shell
graziers– n. a person who manages land or cattle
runoff –n. water that flows over the surface of the ground into streams
safeguard –v. to protect someone or something
