"What kingdom, phylum, subphylum, class order, family, genus, and species are humans in?"
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Question
Did water have oxygen before life?
Yes, water is made of oxygen and hydrogen, in the ratio of 2 hydrogen atoms for every oxygen atom (H2O). This is the definition of water, and it has nothing to do directly with life. David Morrison
NAI Senior Scientist
May 23, 2007
- How frequently are questions answered?
- I asked a question but there was no answer?
- Who is the Astrobiologist answering these questions?
- Will I get an email when my question is answered?
- What college courses should I take to become an astrobiologist?
- How can I get a job as an astrobiologist at NASA?
- Have aliens visited Earth? Are UFOs real?
- Is there a planet or brown dwarf called Nibiru or Eris that is approaching the Earth and threatening our planet with widespread destruction?
- Is it true that the Sun will be in the center of the Milky Way Galaxy in December 2012 and that this will cause a pole shift and massive destruction.
- Has NASA discovered life on other worlds?
- Astrobiology Career Path Suggestions
