What are the Arabian peninsula achievements?

What is the term for a stagnant lake that forms along a winding river due to soil erosion resulting in an abandoned stream cut off from the river? Which is bigger the Gulf of Mexico or the Gulf of California? How many stairs from Altos De Chavon village down to the river of Chavon? When was the panama canal built from start to finish? What can you do to prevent the rainforest disappearing? What contribution did eads and roebling's make to bridge construction? Where is the Gilman Ranch Museum in Banning California located? What sort of castle came before the concentric castle and after the square or rectangular keep? Why are rivers and waterfalls important in the northeast region? Which is larger the Indian of Atlantic ocean? Which continent is tugela falls in? What is the area of the oceans from biggest to smallest? Who reached port of Calicut-completing eastern sea route to Asia? What is the cardinal direction of the Pacific Ocean from Colorado Springs Colorado? What is the red sea fans food chain? How many people live around the mekong river? What is the deepest part of the Arctic Ocean? How long are the presidents noses on Mt Rushmore? Where is the busiest harbour? What is the difference between deltas and estuaries?

What are the Arabian peninsula achievements?