Questions

In economics, there are four factors of production. They are :

1. Land

2. Labour

3. Capital

4. Organization

Here in the given options, a construction crane acts like capital.

Loktak Lake:the largest freshwater  (sweet)  lake  in  North -East  India,  also  called  the  only Floating  lake  in  the  world  due to the floating phumdis (heterogeneous mass of vegetation,    soil,    and    organic matters    at    various    stages    of decomposition)   on   it,   is   located near   Moirang   in   Manipur   state, India.  The  etymology  of  Loktak  is Lok  =  "stream"  and  tak  =  "the end"

Propene, being an alkene, and propyne, being a alkyne, are distinguished using the common chemical tests namely ammoniacal silver nitrate or ammoniacal cuprous chloride. Ammoniacal silver nitrate is also called as Tollen's reagent.