At home was several hours' hack-work waiting for him before he went to bed, and after he went to bed there was a volume of Weismann waiting for him, to say nothing of Herbert Spencer's Autobiography, which was as replete for him with romance as any thrilling novel.
The ocean's deepest area is the Mariana Trench (also called the Marianas Trench), which is about 11 km (almost 7 miles, or almost 36,000 feet) deep. The trench is 1,554 miles long and 44 miles wide, and is like the Grand Canyon of the ocean, although it is 120 times larger.
1 mariana trench better known as the deepest point on earth s surface this trench lies in pacific ocean at challenger deep located at a depth of about 10 91 km or 11033 meter below sea level this trench runs for 2550 kilometer somewhere below the expanse of water lying between australia and japan