Indian Geography
Which of the following factors is/are responsible for the high concentration of jute mills in the Hooghly basin?1. Nearness to coal fields2. Convenient dry climate for spinning and weavingChoose the correct option from the codes given below:

1 & 2
1 only
None of these
2 only

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Indian Geography
Which among the following steps are useful to prevent soil erosion?1. Afforestation2. Contour Ploughing3. Prohibition of shifting cultivation4. Flood controlChoose the correct option from the codes given below :

2 & 4
1 & 2
1, 2, 3 & 4
1, 2 & 4

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