Question

12) What is the disadvantage of measuring length using body parts?
13) Given below are some of the modes of transport:
Steam engine train, Bullock cart, Car, Horse, Spacecraft, Aero planes.
Place them in the correct order starting from the earliest mode of transport to the most recent.

Answer 1

Answer:

12.it would be different because our body parts are not same

13.horse, Bullock cart,steam engine train,car, aeroplane, spacecraft