The above picture was taken in a Canadian city that lies on the WESTERN side of the North American Continent. This city is a major port city and has a variety of indigenous people that call it their home. The city in the photograph is- A) Ottawa
B) Montreal
C) Quebec
D) Vancouver

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed