Geography Flashcards
1
Q
What is global warming?
A
Global warming is the rise in the average temperature of our planet
2
Q
What is orbital theory?
A
Every 100,000 years or so the earths orbit changes from circular to egg shaped?
3
Q
What are sunspots?
A
These are spots on the sun that burn hotter cause a rise in the earths temperature.
4
Q
How does volcanic eruptions cause climate change?
A
The volcanic ash that rises when the volcano explodes blocks out the the light from the sun making the earth cooler.
5
Q
How do asteroids cause climate change?
A
A large cloud of dust would be thrown up from the impact, blocking sunlight.
6
Q
3 major impacts of Climate change in Africa
A
- Spread of malaria in rainy areas
- Decreased rainfall/ Droughts
- Changes in rainfall
- Food insecurity
7
Q
How do tree rings tell us about the past climate
A
The number rings show how many years it has been then
8
Q
How do you
A
