(6) Which of the following is related to a field visit to a manufacturing unit? (i) Study of source of raw material.
(ii) Study of market for finished goods.
(iii) Study of demand for finished goods.
(iv) Study of animals in the nearby locality
Ans.

The peak above is part of the  sierra madre occidentals ,  a chain of volcanic mountains that runs through the middle of central america. 

Aeolian processes,  pertain to  wind  activity in the study of  geology  and  weather  and specifically to the wind's ability to shape the surface of the  earth  (or other  planets). winds may  erode, transport, and deposit materials and are effective agents in regions with sparse  vegetation, a lack of soil moisture and a large supply of unconsolidated  sediments. although water is a much more powerful eroding force than wind, aeolian processes are important in arid environments such as  deserts