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 right answer I mark brainlest ​

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

Which statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.