Environment on a r3) Why does the chest swell when we breatheAns. When we breathe inhence the chest s.4) Why is a scale given in maps?

Environment on a r3) Why does the chest swell when we breatheAns. W

1.	Environment on a r3) Why does the chest swell when we breatheAns. When we breathe inhence the chest s.4) Why is a scale given in maps?
Answer» TION:Why is a scale GIVEN in maps? ans- scale in maps are given as they show the RELATION between distance on MAP with distance on ground