UNIT 4

2. A lack of food during a long period of time in a region.
4. To make an agreement officially valid by voting it.
5. Related to development or origin.
6. Cause (someone) severe and overwhelming shock or grief (verb).
11. To collect something, especially in large quantities.
12. To contain something and allow it to develop.
13. To completely destroy a building, especially in order to use the land for something else.
14. Exposed to the possibility of being attacked or harmed, either physically or emotionally (adjective).
15. Very important.
16. The main stem of a plant, or The narrow stem that joins leaves, flowers, or fruit to the main stem of a plant.

1. Come face to face with (someone).
3. Requiring immediate action or attention (adjective).
7. Gone forever.
8. A South American plant with large roots, or a type of flour made from these roots.
9. A long period of time when there is little or no rain.
10. To make a long, deep hole with a tool or by digging.