Question

Plains and mountains are shown in different colours.
C Answer these questions.
1. How was it proved that the Earth is spherical in shape?
2. How is a globe useful to us?
3. How do maps help us? Why is a map less accurate than a globe?
4. What are the features that help us to read a map?
D Think and answer.
The Earth looks mostly blue when seen from space. Why?​

Answer 1

Answer:

1when a man sailed a ship and proved that earth is spherical

2 don't know

3 don't know

3symbols help us to read a map

4 because earth is made up of 70% of water