1) Find out the names of a few rivers of the world that form a delta . [4 MARKS]2) Imagine if a quake suddenly shook in the middle of the school day, where you go for safety ? [4 MARKS]3) Define the earth quakes waves in detail. [4 MARKS]7th std - Ncert CBSEChp. = 3 - Our changing earth CONTENT QUALITY NEEDED !ANSWER ALL QUESTIONS

1) Find out the names of a few rivers of the world that form a delta .

1.	1) Find out the names of a few rivers of the world that form a delta . [4 MARKS]2) Imagine if a quake suddenly shook in the middle of the school day, where you go for safety ? [4 MARKS]3) Define the earth quakes waves in detail. [4 MARKS]7th std - Ncert CBSEChp. = 3 - Our changing earth CONTENT QUALITY NEEDED !ANSWER ALL QUESTIONS
Answer» 1. SUNDARBAN delta 2.under the table 3.the sudden SHAKING of the earth crust TAKE place on account of RELEASE of energy such occurrence of shock wave or seismic wave is CALLED the earthquake wave.