Fill in the blanks using proper words.(a) Rubber made by vulcanization is a ...... material.(b) Man-made materials are made by .......... natural materials.(c) ............. thread was developed simultaneously in New York and London.(d) Rayon is also known as ............

Fill in the blanks using proper words.(a) Rubber made by vulcanization

1.	Fill in the blanks using proper words.(a) Rubber made by vulcanization is a ...... material.(b) Man-made materials are made by .......... natural materials.(c) ............. thread was developed simultaneously in New York and London.(d) Rayon is also known as ............
Answer» Fill in the blanks using proper words. (a) Rubber made by vulcanization is a ...... material. (b) Man-made materials are made by .......... natural materials. (c) ............. thread was developed simultaneously in New York and London. (d) Rayon is also known as ............