a steep-sided valley formed by the downward displacement of a block of the earth's surface between nearly parallel faults or fault systems.
a large elongated depression with steep walls formed by the downward displacement of a block of the earth's surface between nearly parallel faults or fault systems.
Air resistance Please select the best
Answer:
1. iodine
2. convection
3. radiation
4. conduction
5. gases
6. expansion
7. freezing point
8. absorber
9. thermos flask
10. mercury
