48. Which of the following are nitrogen-fixing plants? 1.Alfalfa 2.Amaranth 3.Chickpea 4.Clover 5.Purslane (Kulfa) 6.Spinach Select the correct answer using the code givenbelow :

Click on the right option
a) 1,3 and 4only ✅
b) 1,3, 5 and 6 only
c) 2,4,5 and 6 only
d) 1,2,4,5 and 6