Which of the following situations – ‘A’ or ‘B’ – is advantageous for absorption of water and minerals? Why?
Situation ‘A’ : Growth and branching of roots in the C-horizon.
Situation ‘B’ : Growth and branching of roots in A and B horizons.
If a train travelled 9 km/hr slower, it would take one hour more to travel 410 km. The equation representing this situation is :