Gravimetric water is present in________?

What is the total length of irrigated canals in Pakistan?

In line x tester cross each male is crossed with________?

Chemicals, used for controlling the disease of crops, fruits & vegetables is________ & chemical prepared for controlling insect-pests ——————-:

Cabbage, cauliflower, broccoli, knol-knol are________?

Pure water has an water activity (Aw) of________?