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.
Instead they applied the term deep for deepest parts of ocean, such as challenger. The sirena deep, which lies 124 miles (200 kilometers) to the east of challenger is a bruising 35,462 feet deep (10,809 m). Deep sea trench define oceanic at dictionary. By comparison, mount everest stands at 29,026 feet (8,848 m) above sea level, meaning the deepest part of mariana trench is 7,044 (2,147 deeper than tall.