Six statements labelled A, B, C, D, 1 and 2 are given below. Among them statement A is in correct order i.e. statement A is fixed. Identify the correct position of B, C, D, 1 and 2, to make a coherent paragraph.

A. Aquaculture is a combination of activities which result in the production of aquatic organisms from human consumption; this industry employs various technologies for various aquatic environments.

D. Pakistan is blessed with plenty of marine as well as inland aquatic resources which has immense potential for economic development in this region.

1. Extensive aquaculture is commonly practiced in those areas where skilled labour is not available such as in rural areas of developing countries, however intensive systems employ latest knowledge such as of pond construction etc.

B. Estimated figures show that about 50,000 people are associated with aquaculture in Pakistan and this sector contributed 70000 tons of fish in a particular year.

C. Aquaculture is also practiced in a variety of aquatic environments and resources i.e. marine, brackish water and freshwater.

2. These activities are practiced from community-based subsistence to large commercial farms basically in two types all around the globe and nowadays this agriculture sector has emerged as multinational commercial enterprise.