Question

Fill in the blanks.

1. The growth of________
around river banks helped in thedevelopment of means of water transport.

2. Rich people used________
(palki) to travel from one place to another.

3. Good roads with______and______help speed up movement of traffic.

4.______were used first to travel short distances in the sky.

5._______and_______
are the greatest problems that
have emerged with the development of transportation.​

Answer 1

Answer:

first soil

third speed brakers and trafic light

fourth is plane

Explanation:

Answer 2

Answer:

fourth answer is hot- air balloons