V. Short Answer Type – II  ( any five)                                                  5 X 3 = 15 39. Explain the difference between thermoplastics and thermosetting plastics.

40. Explain how the use of CNG in automobiles has reduced pollution in our cities.

41. What is called blindspot?

42. Explain the usage of spring balance.

43. What precaution must be taken while taking antibiotics

44. Write short notes on Adam’s  apple​

Answer is in the photo. I couldn't attach it here, but uploaded it to a file hosting. link below! Good Luck!

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Step-by-step explanation:

Answer 1-thermoplastics the plastic that are having linear arrangement of molecules. These plastics can be deformed easily by heating and remolded into a new shape.example-nylon

thermosetting plasticsare the plastics that are having crossland arrangement of molecules these plastics cannot be remoulded by gently heating for example bakelite.

Answer-3 blind spot is the place where optic nerve and blood vessels leaves the eyeball

Answer-6 Adam's Apple is a lump of cartilage that is attached to our throat that is mainly present in males.

let f (x ) is a function and c be a positive real number,   the graph of the function g (x ) = f (cx ) is represented as follows.

when, c > 1,   the function compresses it in the x - direction.

when, 0 < c < 1, the function stretches it.

the function is g ( x ) = (9x )2.

the heighest power of x in g ( x ) = (9x )2 is 2, so the parent function is square function.

the equation of parent function is f ( x ) = x 2 .

the function is g ( x ) = (9x )2 and the parent function is f ( x ) = x 2 .

so, the functions f and g have the following relationship.

g ( x ) = f ( 9x ).

compare the function g ( x ) = f ( 9x ) with g (x ) = f (cx ).

c = 9 ( > 1 ).

so, the function g (x ) = (9x )2 compresses it in the x - direction.

step-by-step explanation: