Answer: Option D. -> Caspian Sea
Answer: (d)

Answer: Option D. -> Dover strait — Arctic Sea and N. Atlantic Ocean
Answer: (d)The Strait of Dover or Dover Strait, historically known as the Dover Narrows is the strait at the narrowest part of the English Channel, marking the boundary between the Channel and North Sea, separating Great Britain from continental Europe.

Answer: Option C. -> rivers wash away salts from earth and pour them into the sea
Answer: (c)Sea water is saltier than rain water because rivers wash away salts from earth and pour them into the sea.

Answer: Option C. -> Baikal
Answer: (c)The deepest lake of the world is Baikal Lake. Baikal is a rift lake in the south of the Russian region of Siberia, between the Irkutsk oblast to the north west and the Buryat Republic to the South East.

Answer: Option A. -> Peruvian
Answer: (a)

Answer: Option C. -> Only 1
Answer: (c)The Falkand current is a cold current. It flows along the Argentina’s coast in South Atlantic Ocean.

Answer: Option A. -> Queensland
Answer: (a)

Answer: Option D. -> 4 3 2 1
Answer: (d)

Answer: Option A. -> North Equatorial current
Answer: (a)
North Equatorial Current is a significant Pacific and Atlantic Ocean current that flows east-to-west between about 10° north and 20° north. It is the southern side of a clockwise subtropical gyre.
Despite its name, the North Equatorial Current is not connected to the equator. In both oceans, it is separated from the equatorial circulation by the Equatorial Countercurrent (also known as the North Equatorial Countercurrent), which flows eastward.

Answer: Option B. -> Pacific Ocean
Answer: (b)El Nino occurs over Pacific Ocean. El Nino is a southerly, warm ocean current.