Chemical analysis of some of the world’s oldest rocks, by an international team led by McGill University researchers, has provided the earliest record yet of Earth's atmosphere. The results show that the air 4 billion years ago was very similar to that more than a billion years later, when the atmosphere -- though it likely would have been lethal to oxygen-dependent humans -- supported a thriving microbial biosphere that ultimately gave rise to the diversity of life on Earth today.
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Authors: Reuven Brenner
Publication: La Presse, IRRP
In its first paragraph, the draft bill of the Quebec government, tabled on December 7, 1994 in the National Assembly, declares that "Quebec is a sovereign country."
In the next paragraphs the bill indicates ways in which constitutional, territorial and legal issues, as well as those linked with currency and international alliances would be settled in case of separation. Paragraph 15 states: