State True or False and choose the correct option.(i) Submarines and ...
True or False:
(i) Submarines and steamers are the vehicles which move on land.
False
Explanation:
- Submarines and steamers are not vehicles that move on land.
- Submarines are designed to travel underwater, while steamers are large ships that navigate on water bodies such as oceans, seas, and rivers.
- They are not meant to move on land.
(ii) Early man used to travel by walking.
True
Explanation:
- Early man did not have the means to travel using vehicles like cars, bicycles, or airplanes.
- They used to travel by walking long distances to reach their destinations.
- Walking was the primary mode of transportation for humans in ancient times.
(iii) Bicycles move by using muscle power.
True
Explanation:
- Bicycles are human-powered vehicles that move by using muscle power.
- When a person pedals the bicycle, the energy generated by their muscles propels the bicycle forward.
- Bicycles do not require any external fuel or power source.
(iv) Air transport is the slowest means of transport.
False
Explanation:
- Air transport is one of the fastest means of transport.
- Airplanes can travel at high speeds, covering long distances in a relatively short period of time.
- This makes air transport a preferred choice for long-distance travel, especially when time is a crucial factor.
State True or False and choose the correct option.(i) Submarines and ...
Submarines and steamers are the vehicles that move on water. Air transport is the fastest means of transport.