Answer:
c..... specialized I think
One main and two subordinate clause
Answer:
Airplane is a means of transportation which is Especially made for to travel from one place to another through the route of air It is the expensive means of transportation as it needs huge amount of fuel to travel...
It has changed the life of people. people can travel one place to another in short part of time..people should not walk to travel.people can sell and buy goods and products thorough airplane.
It has negative impact too.due to lack of communication and management people suffer from different accident of aeroplane crash .sometimes aeroplane cannot reach their destiny..
The answer I believe it is : the main challenge in a story .
