ORIGIN OF THE EARTH AND EVOLUTION Flashcards
1
Q
Immanuel Kant
A
Nebular Hypothesis
2
Q
Laplace
A
Nebular Hypothesis
3
Q
Chamberlain and Moulton
A
Sun attracts blobs which condense
4
Q
James Jeans and Sir Harold Jeffrey
A
Sun attracts blobs which condense
5
Q
Otto Schmidt and Carl Weizascar
A
Nebular Hypothesis
6
Q
Edwin Hubble
A
Expanding universe hypothesis
7
Q
Hoyle
A
Concept of steady state
8
Q
Sir George Darwin
A
Moon/Earth Dumbbell hypothesis
9
Q
Earth’s age
A
4.6 billion years
10
Q
Earth’s oceans
A
4.1 billion years
11
Q
Evolution of life
A
3.8 billion years
12
Q
Photosynthesis
A
2.5-3 billion years
13
Q
Oxygen in atmosphere
A
2 billion years
14
Q
Present era
A
Cainozoic
15
Q
Present period
A
Quaternary