Multiple Choice
Which of the following gases was probably not present in the atmosphere of primitive Earth?
A) water
B) hydrogen
C) carbon dioxide
D) ozone
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q37: Oparin and Haldane's hypothesis states that the<br>A)
Q38: The scientific theories for the origin of
Q39: The first multicellular organisms (algae) appeared about
Q40: Chloroplasts<br>A) contain bacterial type DNA.<br>B) contain bacterial
Q41: Mitochondria and chloroplasts probably formed as a
Q43: The theory of spontaneous generation was supported
Q44: A probable sequence of the evolution
Q45: In earlier times those who believed that
Q46: All of the following may have been
Q47: In order to be called a primitive