2 The "acid rain" refers to what scientists call "acid deposition". It is caused by desreuctive airborne acidic pollutants. 3 Acis rain was discovered in 1852, when English chemist Robert Agnus invented the term. 4 Recently, a more intensive research on the true causes of acid rain has been done so that countries have the information they need to ptevent acid rai and its dangerous effects. 5 Air pollution can be found both outdoors and indoors. 6 Every year, 14 billion pounds of sewage, sludge and garbage are dumped into the wotld`s oceans.
1. Mountain Everest is the highest mountain in the world. 2. Sherlock Holmes was the best detective in London. 3. Go and pick an apple from the nearest tree. 4. Tokyo is the biggest city in the world. 5: Rebecca is better than Jane. 6. Mrs Brown is taller than Mrs Taylor, 7.1 think English is easier than French. 8. John is the worst skier in the school. 9. This is the funniest joke I know. 10. Cindy is the cleverest girl in the class. 11. My football socks are dirtier than yours. 12. I find French more interesting than history. 13. The new hotel is the most modern building in our town. 14. Tony is the most intelligent boy in our class. 15; Good health is better than money. 16. This is the most wonderful place for a holiday. 17. I find French more difficult than English. 18. Karen is the prettiest girl in the class. 19. He is the ugliest man in the world. 20. The giraffe is the tallest animal in the world.
The "acid rain" refers to what scientists call "acid deposition". It is caused by desreuctive airborne acidic pollutants.
3
Acis rain was discovered in 1852, when English chemist Robert Agnus invented the term.
4
Recently, a more intensive research on the true causes of acid rain has been done so that countries have the information they need to ptevent acid rai and its dangerous effects.
5
Air pollution can be found both outdoors and indoors.
6
Every year, 14 billion pounds of sewage, sludge and garbage are dumped into the wotld`s oceans.