IDNLearn.com: Your destination for reliable and timely answers to any question. Get prompt and accurate answers to your questions from our experts who are always ready to help.

Why are many deserts concentrated along zones at 30 degrees latitude in both the Northern Hemisphere and the Southern Hemisphere? (describe in detail; a hand-drawn sketch is recommended for this question to help you in your description- if you do this, you should be able to click the "embed image" icon above- it looks like two mountain peaks with the moon or sun- and attach your image).