Questions

A Garbage Truck has wheels to move and flies like insects houseflies, mosquitoes in the garbage it is carrying. Hence, it is not an aircraft.

A binary semaphore is one, which takes only 0 and 1 as values. They are used to implement mutual exclusion and synchronize concurrent processes.

The complexity and variety of organic molecules is due to the chemical versatility of carbon atoms.

The process of absorbtion of rain water by the soil on the earth is called infiltration. By this process, the rain water that falls on the soil becomes ground water.

Tennis rackets and ballpoint pens are two independent goods. Since, one doesn't depend on the other.

A negative supply shock in the sho rt run causes the aggregate supply curve to shift to the left.