Question

बोली तो अनमोल है, जो कोइ जानै बोल।
हिये तराजू तोलि के, तब मुख बाहर खोल।।
write 20 lines​

Answer 1

Answer:

Sochi PacificWhen hot water is poured into some plastic bottles they get deformed easily .On

the other hand,there are some plastics which moulded once cannot be softened

again.

a)Draw a diagram to show the arrangement of units in each case.

b)A material X is a thermosetting plastic .It is a poor conductor of electricity and

used for making electrical switches. Identify X and give it’s one more use.

c)’Plastic is a necessary evil’. Justify the statement by giving one example.

Answer 2

cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living things. Most cells have one or more nuclei and other organelles that carry out a variety of tasks