Based on the clue 'a large area of land lying at the foot of a mounta...', what is the answer?

What is associated with: a lao tzu line is traditionally quoted as a journey of 1000 miles must begin with this? What is referred to by 'a larch'? What is associated with: a large albino whale recently sighted off australia earned comparisons to this 1851 melville b… Based on the clue 'a large amount of methane in this 7th planets atmo...', what is the answer? What is associated with: a large armada crossed the english channel to invade the beaches of this historic region on ju… Based on the clue 'a large asian white winter radish thats a represen...', what is the answer? What is associated with: a large bay bearing its name borders this capital settled by the spaniards in 1571? Based on the clue 'a large bear named ben was the best friend of this...', what is the answer?