Yes it is, hope that helped.
The Penguins near the south pole are affected by the O-Zone hole because of the strong winds blowing around the continet form, this is know as the "polar vortex" - this isolates the air over Antarctica from the rest of the world
Huron, Erie, Michigan, Ontario and Superior are all lakes that are formed in the same way, thus have the same origin, they are all glacial lakes. These lakes formed on places where there were glaciers in the ice age. They were valleys filled with ice. Once the ice started melting they became lakes, lakes that got their water from glaciers.
I’m not certain but I would narrow it down to b and d
