Answer: Option [C]The correct answer is Atlantic Ocean. The Sargasso Sea, located entirely within the Atlantic Ocean, is the only sea without a land boundary. Illustration of sargassum and associated marine life, including fish, sea turtles, birds, and marine mammals.
Answer: Option [B]The correct answer is Tide. The rhythmic rise and fall of the ocean twice in a day is called a tide. Tides are caused by the strong gravitational pull exerted by the sun and the moon on the earth's surface.
Answer: Option [D]Sea water is saltier than rain water because rivers wash away salts from earth and pour them into the sea.
Answer: Option [C]Sea-waves are undulated movements of water on the surface of the sea sue to friction of wind on the surface. Waves are most commonly caused by wind. Wind-driven waves, or surface waves, are created by the friction between wind and surface water. As wind blows across the surface of the ocean or a lake, the continual disturbance creates a wave crest. These types of waves are found globally across the open ocean and along the coast.