Which south american country has the longest coastline along the atlantic ocean?

How are the high islands of the pacific formed? a. by connected coral reefs called atolls b. by lagoons c. by moving glaciers d. by underwater volcanoes

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 : )

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.