Type in the correct answer in the spaces provided
HINT: John McAdam, Stephenson, Roads, Satellite, Air.
1. The invention of the wheel enhanced the development of
2. developed durable roads with crushed gravel surface.
3. In 1982 and his son Robert built the rocket.
4. The fastest means of transport istransport.
5. The use of has made it possible for people to improve surveillance and navigation activities.