NCERT Class 7 Geography: Chapter 5, Question 4
(i) Caspian Sea (a) Largest lake (ii) Tide (b) Periodic rise and fall of water (iii) Tsunami (c) Strong seismic waves (iv) Ocean currents (d) Streams of water moving along definite paths – (e) Water cycle
https://www.indcareer.com/schools/ncert-solutions-for-7th-class-geography-chapter-5-water-geography/