Unit 5

4. / Hardly; almost not
6. / An idea or set of ideas that tries to explain something
7. / A job or duty that you must do
12. / Caring about others with no advantage for your self
14. / Something that affects a decision or situation
15. up / To find your self in a place or situation that you did not intend or expect
16. / A person who is a part of an experiment
17. / To use facts or an evidence to show that something is true
18. to / End to

1. to / To concern or involve someone or something
2. / Suggest a possible explanation
3. / Caring about other people's feelings
5. to / As stated by someone
8. / Something that is at the beginning ; first
9. on / Need and depend on
10. / A person who see something happen and who tell other people about it later
11. about / Cause
13. / Made up of several connected parts and often difficult to understand