10. Which of the following statements are correct regarding Virtual Water Trade (VWT) ?
1. It refers to the import and export of hidden water in the form of products such as crop products, textiles, machinery and livestock which require water for production.
2. The concept was introduced by Tony Allan in 1993 to explain the import of water intensive products in arid and semi-arid regions in the Middle East and North Africa.
3. The World Water Council is headquartered at Marseille, France.
 

Select the correct answer using the code given below :

1. Only 1

2. Only 2

3. Only 1 and 2

4. 1, 2 and 3

Correct Answer :

1, 2 and 3