Answer: Option D. -> Mariana
Answer: (d)

Answer: Option C. -> Chad
Answer: (c)

Answer: Option B. -> Azores, Cape Verde, the Bahamas and Falkland
Answer: (b)

Answer: Option D. -> Indian Ocean has Monsoon drift
Answer: (d)

Answer: Option B. -> Caspian Sea
Answer: (b)

Answer: Option C. -> Estuary
Answer: (c)
Estuaries form a transition zone between river environments and ocean environments and are subject to both marine influences, such as tides, waves, and the influx of saline water; and riverine influences, such as flows of fresh water and sediment.
The inflow of both seawater and freshwater provide high levels of nutrients in both the water column and sediment, making estuaries among the most productive natural habitats in the world.

Answer: Option A. -> Dead sea
Answer: (a)Dead sea has the highest salinity. The Dead Sea is 306 m (1,004 ft) deep, the deepest hypersaline lake in the world. With 34.2% salinity (in 2011), it is also one of the world’s saltiest bodies of water.

Answer: Option C. -> below 1/3 atmosphere
Answer: (c)

Answer: Option B. -> Bay of Fundy
Answer: (b)The Bay of Fundy, a bay on the Atlantic coast of North America. It is known for having the highest tidal range in the world.

Answer: Option A. -> Dead Sea
Answer: (a)