Pollution quiz
3 questions. No signup. Your move.
What runs out in the water of an ocean 'dead zone'?
Now make it a duel.
Play more questions on Pollution in LearnClash. Challenge friends in a new quiz duel.
Play more in the appA tap copies this page’s link so the app can pick up where you left off.
That was every question in this preview. Pick another topic or keep going in the app.
A new quiz every day: Today’s quiz
The video couldn’t load. You can watch it on YouTube.
Choose a topic, answer questions and challenge a friend in LearnClash.
Watch on YouTubeA tap copies this page’s link so the app can pick up where you left off.
More questions about Pollution
These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.
-
What mainly caused London's deadly smog of 1952?
Answer: Burning coal
Why: Cold, windless weather trapped the coal smoke over London for five days, from 5 to 9 December 1952.
-
Which weather turns car exhaust into Los Angeles smog?
Answer: Sunshine
Why: Sunlight cooks nitrogen oxides and other exhaust fumes into ozone, so this smog is worst on hot, sunny days.
-
Who developed both leaded petrol and CFC refrigerants?
Answer: Thomas Midgley
Why: Both of his inventions were later banned from common use: leaded petrol for its toxic lead, CFCs for harming the ozone layer.
-
What car part does leaded petrol ruin?
Answer: Catalytic converter
Why: The US required unleaded petrol to be on general sale by July 1974 to protect the converters on many new 1975 cars.
-
Which gas from coal power plants causes acid rain?
Answer: Sulfur dioxide
Why: Carbon dioxide only makes clean rain slightly acidic, around pH 5.6; acid rain usually measures about pH 4.2 to 4.4.
-
Who banned burning coal in London in 1306?
Answer: Edward I
Why: His ban targeted sulfur-rich sea coal from Northumbria, whose smoke had become a nuisance across London.
Keep going in the app
A tap copies this page’s link so the app can pick up where you left off.
