Norman Borlaug won Nobel Peace Prize for his contributions in:
1. development of high-yielding crops.
2. modernization of irrigation infrastructure.
3. introduction of synthetic fertilizers and pesticides.
Select the correct answer using the code given below.
A piece of ice, 100 g in mass is kept at \( 0^{\circ}C \). The amount of heat it requires to melt at \( 0^{\circ}C \) is (take latent heat of melting of ice to be 333.6 J/g):
