Future generations

4. Land consisting of marshes or swamps; saturated land.
6. Gas that is found in small quantities in the atmosphere.
8. a cultivated plant that is grown on a large scale commercially
9. An animal that naturally preys on others.
10. A substance used for killing insects.
13. A young bovine animal, especially a domestic cow or bull in its first year.
14. Grow or develop in a healthy or vigorous way, especially as the result of a particularly congenial environment.
16. Make it difficult for (someone) to do something or for (something) to happen.
19. Push, elbow, or bump against (someone) roughly, typically in a crowd.
20. bad-tempered and irritable.
21. The flesh of fully grown sheep used as food.

1. To eat or drink especially in great quantity.
2. A narrow valley between hills or mountains, typically with steep rocky walls and a stream running through it.
3. Meat from a deer.
5. The variety of plant and animal life in the world or in a particular habitat.
7. Destroy completely; put an end to.
11. The young of a fox, bear, lion, or other carnivorous mammal.
12. the action of becoming larger or more extensive.
15. The grain of which is ground to make flour for bread, pasta, pastry, etc.
17. Relating to, or characteristic of the countryside rather than the town.
18. Believing that people are motivated purely by self-interest.