Fill in the blanks with suitable words. Man cannot live (a) — food. (b) — fact, no living things, animals or (c) — can survive without food. The collection (d) — food was man’s first job. He made his first weapons in order (e) — hunt animals for food. Gradually, he learnt how (f) — grow plants. Thus he invented (g) — and settled in communities (h) — his cornfields. Today, men are engaged (i) — food adulteration. When you eat (j) — outside food, you are not sure whether you are eating a food or a poison.