The 20th Parallel North is a circle of latitude located 20 degrees north of the Earth's equatorial plane. It runs across several countries, including parts of India, Egypt, and Mexico. This parallel is significant in geography as it helps in mapping and navigation. In addition to its geographical importance, the 20th Parallel North also influences climate and ecosystems in the regions it traverses. Areas along this latitude often experience tropical and subtropical climates, affecting local agriculture and biodiversity.