Answer:
Carbon Dioxide and Water.
Miners used canaries in mines to detect dangerous gases.
Hope this Helps!
Answer: In this way, as the plates move further apart new ocean lithosphere is formed at the ridge and the ocean basin gets wider. This process is known as “sea floor spreading” and results in a symmetrical alignment of the rocks of the ocean floor which get older with distance from the ridge crest.
Explanation:
hope that helps
Http://www.ushistory.org/us/59e.asp
this goes in more detail but basically Mikhail assumed his power on the soviet union he wanted to make the place a little more than it was when he conquered
