Which letter on the map represents the location of the great barrier reff

The Great Barrier Reef is located off the northeastern coast of Australia. The barrier reef is the largest coral reef in the world and consequently is the largest living structure on the planet. Other types of reefs include fringing reefs and atolls.
Coral reefs are delicate ecosystems and are threatened by warming oceans brought on by present day global warming. Warming seas lead to coral bleaching; a phenomenon where corals release their symbiotic algae, turn white and die.

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.