Environment

4. an adjective that affording a choice of two or more things.
5. a long period when there's little or no rain.
6. an action contrary to the laws, which entails punishment.
8. it is an overflow of water that covers the land that is usually dry.
9. the act of digging some waste in the ground
10. chemical substances used by farmers for better growth of plants.
11. chemical substances, used by farmers to kill harmful animals and insects.
12. a poisonous substance, which is added to petrol.
13. these are places which are located in South America and Indonesia that support our planet with a large amount of oxygen.
14. the process when water, land or air become toxic or dirty.

1. when the population of animals of a certain type has died these animals become...
2. a process that starts after trees are cut down and leads to a lack of water in the soil.
3. a place where animals live for ages.
5. a process of cutting trees down
7. people who illegally kill animals.