Article Detail Which is the highest waterfall in the world ? Answer: Angel, Venezuela Similar Questions : 1. Which is the longest day in the year ? Answer: June 21 2. Which is smallest and largest bird ? Answer: Smallest Bird is Humming Bird and Largest bird is Ostrich 3. Which is the lightest gas ? Answer: Hydrogen 4. Which is Largest forest state of India ? Answer: M.P. 5. Which is the Densest populated State of India ? Answer: West Bengal 6. Which is largest Delta of India ? Answer: Sundarban (W. Bengal) 7. What is the name of brightest star ? Answer: Sirius Read more from - Longest and Largest