Periods Flashcards
1
Q
1
A
Cambrian
2
Q
2
A
Ordovician
3
Q
3
A
Silurian
4
Q
4
A
Devonian
5
Q
5
A
Carboniferous
6
Q
6
A
Permian
7
Q
7
A
Triassic
8
Q
8
A
Jurassic
9
Q
9
A
Cretaceous
10
Q
10.
A
Palaeogene
11
Q
11.
A
Neogene
12
Q
12.
A
Quaternary
13
Q
Era 1
A
Hadean
14
Q
Era 2
A
Archean
15
Q
Era 3
A
Proterozoic
