Multiple Choice
Which highly reactive gas was probably absent from the Earth's primitive atmosphere?
A) methane
B) carbon dioxide
C) oxygen
D) water vapor
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q21: How can the success of one group
Q22: _ and _ mean the same thing.<br>A)
Q23: How is the merging of continents to
Q24: Anti-evolutionary thinkers sometimes argue that natural selection
Q25: Over the past 400 years, humans have
Q27: Mass extinctions<br>A) remove many species, but they
Q28: The technique called radiometric dating is based
Q29: The three-domain system<br>A) no longer recognizes eukaryotes
Q30: Biologists are studying two species whose DNA
Q31: The family Felidae (cats) is distributed across