day 4

4. to look at or consider a person or thing carefully and in detail in order to discover something about them
6. the relationships between the air, land, water, animals, plants, etc., usually of a particular area, or the scientific study of this
11. happening or doing something often
12. to spoil something or make it weaker so that it is less effective
13. to lose a covering, such as leaves, hair, or skin, because it falls off naturally, or to drop something in a natural way or by accident

1. being judged or measured in comparison with something else
2. an organization of people with particular political beliefs that competes in elections to try to win positions in local or national government
3. an intentional act, especially a very bad or very good one
5. to communicate an idea or feeling without saying it directly
7. to fill, exist in, or use a place or period of time
8. easy to break or damage
9. a period of time in which an organized activity such as study or work is temporarily stopped
10. to empty the contents of the stomach through the mouth