Environmentaleasy · Past Paper
Which pollutant is primarily responsible for the 'blackening' of buildings in polluted cities?
AOxygen
BParticulate matter (soot)
CNitrogen
DWater vapor
✓ Correct Answer: B — Particulate matter (soot)
Soot, or black carbon, is a result of incomplete combustion and settles on surfaces, making them black.
Share this question
More from Environmental
- Which of the following is the main contributor to the greenhouse effect on Earth?
- What is 'Carbon Sequestration'?
- Solid waste that can be converted into manure is called:
- The pH of ocean water is decreasing, a phenomenon known as:
- Which process is used in water treatment to remove very fine suspended particles that don't settle by gravity?