(a) 3999 metres
(b) 4097 metres
(c) 1617 metres
(d) 5219 metres

(a) 4280 metres
(b) 10,990 metres
(c) 9,898 metres
(d) 7,190 metres

(a) 2311 feet
(b) 9974 feet
(c) 2402 feet
(d) 2402 feet

(a) 11,900 feet
(b) 12,392 feet
(c) 14,500 feet
(d) 15,190 feet

(a) 600 feet
(b) 900 feet
(c) 1100 feet
(d) 1250 feet

(a) 1,141,000 sq. km
(b) 1,341,390 sq. km
(c) 1,447,200 sq. km
(d) 1,580,000 sq. km

(a) Skagerrak
(b) Off Gotland
(c) Central Basin
(d) West of Luzon

(a) 1,135,000 sq. km
(b) 1,249,157 sq. km
(c) 1,310,000 sq. km
(d) 1,411,400 sq. km

(a) 18000 feet
(b) 4113 feet
(c) 3950 feet
(d) 3985 feet

(a) 3,417,000 sq. km
(b) 2,311,000 sq. km
(c) 2,718,200 sq. km
(d) 3,910,000 sq. km