Question

B. Fill up the blanks: 1 kill the pests but do not harm the plants.2 Tyre cord are also made from. 3 can be replaced by iron, aluminium, wood, glass, cloth, etc. 4 The raw materials to manufacture polyester are.​

Answer 1

Answer:

1. By killing them
2. polyester, nylon, aramid and rayon.
3. Tute cords
4. synthetic fiber derived from coal, air, water, and petroleum

Answer 2

Answer:

Question 1: kill the pests but do not harm the plants.

Answer: Insecticides kill the pests but do not harm the plants.

Question 2 : Tyre cord are also made from.

Answer: Tyre cord are also made from Nylon.

Question 3. can be replaced by iron, aluminium, wood, glass, cloth, etc

Answer:can be replaced by iron, aluminium, wood, glass, cloth, etc

Polyester, nylon, aramid, and rayon.

Question 4. The raw materials to manufacture polyester are.

Answer: synthetic fibres are derived from coal ,air, water, and petroleum.