The primitive earth contains
A. oxygen, methane, carbon dioxide, and ammonia
B. Water vapour, methane, oxygen, and ammonia
C. methane, carbon dioxide an ammonia
D. Water vapour, methane, carbon dioxide, and ammonia
Answer:D
The primitive earth contains
A. oxygen, methane, carbon dioxide, and ammonia B. Water vapour, methane, oxygen, and ammonia C. methane, carbon dioxide an ammonia D. Water vapour, methane, carbon dioxide, and ammonia