Geog-set-4

1. mixed rainwater with pollutants in the air and comes down as ____
6. is a short woody plants, bushes
7. Under the canopy is the dark layer called ______ layer
8. the code used to for speaking to people living in other countries (short form)
11. the longitude passes through 0 degree is known as _____
12. the code used to for speaking to people living in other cities (long form)
14. sump, wet, soft and spongy ground
16. a chemical substance used for killing pests
19. a specific code consisting of dots and dashes
20. topmost layer of the trees in tropical forests

2. Prime Meridian passes through the ________ in Greenwich, England
3. imaginary lines that run around the earth in north-south direction
4. The action of building something, typically a large structure
5. a large steep hill, having poor network of roads
9. the longitude passes through 0 degree is known as _____
10. one of the fastest ways of communication
13. Pollution harms our lungs and causes shortness of breath
15. plantlife, greenery
17. umbrella-like layer that allows very little sunlight to penetrate the lower layer
18. areas of fairly level high ground, upland