AA species of seaweed
BA naturally occurring mineral form of soda ash
CA round of the game kabaddi
DA form of macramé
Correct Option: 2
Explanation:
A naturally occurring mineral form of soda ash
Trona is hydrated sodium bicarbonate, and occurs naturally as a saline lake deposit or evaporation product and as an efflorescence on arid soil; deposits are found near Memphis, in the Lower Nile Valley, widely in the soda lakes of Africa, Armenia, Iran and the western United States, and in the alkali deserts of Mongolia and Tibet.