Question

57.) Polyvinyl chloride is an example of
a. regenerated fibre
b. thermosetting plastics
c. thermoplastics
d. synthetic fibre

58). The scientific name of mustard is
a. Homo sapiens
b. Rana tigrina
c. Brassica compestris
d. Magnifera indica

60.) The number of chromosomes in zygote is
d. 3n
b. n
d. gon
a. 2n
c. 2n
?​

Answer 1

Answer:

find

57 . d synthetic Fibre