BASIC VOCABULARYVersión en línea Deducir vocablo según definición por marisa degenova 1 All the plants, animals and people in an area and their relationships. Hints 1 The quality of being acid. 2 Combination of substances. 3 The action of contaminating. 4 The top covering of the Earth where plants grow. 5 A structure with a roof and walls. 6 Unhealthy condition caused by an infection or disorder. 7 Likely to cause harm. 8 Animals and plants living in a natural conditions. 9 A covering on a surface. 10 Adjective related to the natural conditions.
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