A 4. What tool is used to bring water to the row of the garden? D. Spade A. Sprinkler B. Water hose C. Water pail D. Watering can 5. It is a machine with rotating blades for breaking up or tilling the soil. How do you call it? A. Plows B. shovel C. Rotavator D. Trowel 6. What chemical substance is supplied to the crops to increase their productivity. A. Seed B. fertilizer C. insecticide D. weed 7. This substance is used for killing insects. What is it? A. Seed B. fertilizer C. insecticide weed​