<span>The margins surrounding the Atlantic ocean are passive, meaning they are not actively taking part in a continental rift or collision. Contrarily, the Pacific margin is active, as it occurs at a plate boundary. The Pacific Ocean is shrinking, while rifting in the middle of the Atlantic is causing it to grow.</span>
I think (a) because the ocean floor is the crust which is mainly were shallow earthquakes occur. I'm not sure if this is right or not sorry :)
The government of Canada is a parliamentary democracy and a constitutional monarchy, meaning it's government is set up in a parliamentary style with a Prime Minister and the Queen of the United Kingdom is the head of the State. In 1982, the Canada Act was passed which ended the necessity for the country to request certain types of amendments to the Constitution to be completed solely through the permission of the British government.
Iceland was formed by Volcanic Activity.
Fact: The island nation has over 200 volcanoes! It was the volcanic activity that was believed to have created Iceland.