Free space
Free space +100 pts
Are carbon dioxide levels in the atmosphere increasing or decreasing?
Increasing.
Is the ozone hole getting bigger or smaller?
The ozone hole is getting smaller.
What is an example of one way you can lower your emissions?
Multiple answers
Is the greenhouse effect natural or unnatural?
Natural
What are emissions?
Pollutants that are released into the air
Why are carbon dioxide levels increasing?
Carbon dioxide levels are increasing because humans are releasing a lot of emissions in the form of fossil fuels.
Is ozone harmful to humans at Earth's surface
Yes
What is an example of one way you can lower your emissions?
Multiple answers
What would happen if we did not have the greenhouse effect?
Earth would be very cold.
What is pollution?
The contamination of Earth’s land, water, or air through the release of harmful substances into the environment
DBL points: What is an example of something that produces carbon dioxide?
Fossil fuels or deforestation
DBL pts: Why is the ozone hole getting smaller?
There was international agreement to stop the production of a certain chemical that was found to be destoying the ozone layer.
Why did the industrial revolution cause an increase in carbon dioxide emissions?
Due to the invention of the steam engine.
What are the 4 main greenhouse gases?
1. Carbon dioxide
2. Nitrous oxide
3. Methane
4. Water vapor
What is ozone?
A form of oxygen that has three oxygen atoms instead of the usual two
When are carbon dioxide levels the highest in the northern hemisphere?
In the winter
Why is the ozone important?
The ozone protects us from harmful ultraviolet (UV) rays from the sun
Double points: How do cows release methane? 2 ways
From farting + burping
DBL points: Why do greenhouse gases keep our planet warm?
Greenhouse gases trap heat from the sun in the Earth’s atmosphere
What is the greenhouse effect?
A process that occurs when gases in Earth’s atmosphere trap the Sun’s heat
How are carbon dioxide and ice cores related?
Ice cores can show us how much carbon dioxide was in the atmosphere thousands of years ago.
Where is the ozone hole the thinest?
Above Antarctica
What two words does "smog" come from?
Smoke and fog
How are people responsible for an increase of the greenhouse gases in the atmosphere?
Humans are creating a lot of pollution that causes too many greenhouse gases in the atmosphere