Questions

Hence, soil erosion on hillslopes can be checked by Terrace cultivation.

India has been ranked 37th out of 103 nations in the 2017 global Multi-dimensional Poverty Index (MPI), according to a new report by the Oxford Poverty & Human Development Initiative. The OPHI is an economic research centre at the Oxford University, led by Professor Sabina Alkire. The 2017 global MPI has covered 76% of the world’s population, living in 103 countries. The index measures the nature and intensity of poverty, based on the profile of overlapping deprivations each poor person experiences. It aggregates these into meaningful indexes that can be used to inform targeting and resource allocation and to design policies that tackle the interlinked dimensions of poverty together.

Envelope is a letter holder for one letter and in the question it mean that it holds one letter. Eye is also a word which starts and end with E but has one letter in the middle.