V.      Fill in the blank with a suitable word .   Organic  food is very popular these days. It can also be very  (1)expensive . Some organic food costs twice as much as non-organic food. Parents of young children, and even some pet owners, will pay high prices for organic food if they think it's healthier. But many others think organic food is just a (2)   waste  of money . There is one main (3)_________ between organic and non-organic food. Organic farms do not use  agricultural  chemicals such as  pesticides  that stop insects from damaging crops. In many (4)________ foods that claim to be organic must have special  labels  that guarantee they're grown organically. Some people think organic also means "locally grown", and originally this was true. But over time organic farming has become big business, with many organic foods now being grown by large agricultural companies that sell their (5) ____________ far from where they're grown.  Processed  food made with organic  ingredients  has also become more popular. At first, only small companies  produced  these products. But as  demand  overtook  supply , big food companies that had been selling non-organic products for many years also began selling organic products. Small organic food companies found it difficult to compete with these (6)________ companies, and many didn't  stay in business  much longer.