Listen to the talk again. Choose the correct answers A, B, or C.
1. The world’s biggest source of soot is ____________.
A. burning forests
B. burning crop waste
C. killing living things in the soil
2. Black carbon only stays in the atmosphere for a few ____________.
A. hours B. days or weeks C. months (tháng)
3. Black carbon speeds up _______________.
A. the release of sunlight into the air
B. burning of crop waste
C. ice melting
4. The next part of the talk will probably be about ______________.
A. ways to reduce black carbon emissions
B. heat-trapping gases
C. other heat-trapping pollutants
Work in groups and answer the questions.
Is black carbon found in your city or neighbourhood? If so, where does it come from?
Work in pairs. Match the words with their meanings.
1. soot | a. to make or become liquid by heating |
2. melt | b. the upper layer or the earth in which trees and plants grow |
3. crop | c. tiny pieces of black dust that are produced when wood, coal, etc. is burnt |
4. soil | d. a plant such as rice or fruit, grown by farmers and used as food |