4: Climate change Flashcards
1
Q
How old is the earth
A
4.55 billion years old
2
Q
The geological timescale subdivides Earths history into;
A
Eons
Eras
Periods
Epochs
3
Q
What is meant by greenhouse and icehouse climates;
A
Greenhouse times - no permanent ice on the planet
Icehouse times - Permanent ice on the planet