Only 16 or so elements are truly essential for plant growth. The rest of the elements present in plant tissue are largely taken up in small quantities incidentally (or accidentally!) as plants take up the nutrient elements that they need for growth and reproduction.
Turkey has the largest economy in the region, followed by Saudi Arabia and Iran. Petroleum is the major industry in the regional economy, as more than half of the world's oil reserves and around 40 percent of the world's natural gas reserves are located in the region.
Southwest Asia Reading Pages 487-499 1. What are two of the major peninsulas in Southwest Asia? 2. What river serves as a boundary between Israel and Jordan? 3. How might the area around the Dead Sea contribute to the regionâs economy? 4. How much precipitation do most areas of Southwest Asia receive annually? 5. What characterizes much of the regionâs terrain? 6. What are two types of deserts found in Southwest Asia? 7. What kind of vegetation might one find in the semiarid regions of Southwest Asia? 8. What kind of animals might be found grazing on land in the semiarid zones of Turkey? 9. What U.S. state has a climate similar to Turkey? 10. What sorts of crops are suited for a Mediterranean climate? 11. When and why did the demand for petroleum explode? 12.