Using the principles of cross-cutting relationships, you can determine the relative age of rocks found in the ground. The idea behind it is that the geologic feature which cuts another is the younger of the two features, and it had been around for 400 years. It's not very precise but it is good for determining relative age.
A cliff is a rock exposure with a near vertical (or is vertical) facing. An escarpment is a long cliff, or steep slope. (causes faulting processes)
Answer:
But now government has lowered the fee, Punjab has announced to give free education to girls. Books are provided free of cost from schools, so that children who couldn't afford previously gets the chance to study. Recently, Delhi government has announced fees exemption for CBSE exams.
The answer is C: irrigation
