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Water World

Horizontales
Drinking water
That which causes delay or difficulty in the growth of plants.
What water is called after it has been used in a home, business, or as part of an industrial process
A colorless, odorless, gaseous element present in animal and vegetable tissue.
Dense growth of plant life in water caused by excessive nutrients
Liquid waste or sewage
Capable of living; workable
Verticales
Aquired from living matter
Industrial by-product, that is destructive to the environment or dangerous to the health of people or animals.
A substance used for the killing of insects
To make or become rotten; decay
A solid non-metallic element that is a necessary part of plant and animal life in bones and nerves.
Natural environment of an organism
Plant-like organisms which are found in bodies of water