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.
The Pacific is also our planetâs deepest water body, averaging a depth of approximately 13,000 feet (4,000 meters). The deepest place on Earth, known as Challenger Deep, extends to a depth of more than 36,000 feet (11,000 meters) and is found in the Mariana Trench, in the Pacific.