What are megacities and meta-cities, and why are they increasingly located in peripheral and semi peripheral countries?

Quick i have a question on my exam review and i have my exam tmr. how does the taiga region change as your cross canada. make sure it’s canada!you : )

What is the name of the ocean current that affects the british isles? how does it influence their climate?

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?