Vocabulary

3. discontinued, not existing anymore
7. Mish mash formal form
8. someone who is very interested in and enthusiastic about a particular subject
10. of great importance
12. (of a problem or difficulty) present itself to (someone) so that action must be taken
13. certain to happen; unavoidable
14. involving a lot of things or people in a way that has no organized plan
15. highly destructive or damaging

1. a South American plant with large roots, or a type of flour made from these roots
2. importance requiring swift action
3. the gradual destruction or diminution of something
4. protect (something, especially something of environmental or cultural importance) from harm or destruction
5. combine (a number of things) into a single more effective or coherent whole
6. relating to origin, or arising from a common origin
9. completely destroy something
11. a backup plan, strategy, or alternative course of action to be used if the primary plan fails