Which among the following is / are common features of the Harappan Urban settlements?
1. Use of bricks of uniform proportions
2. Efficient provision of water and sanitation
3. Use of unbaked bricks for bathrooms, drains, and wells
Choose the correct option from the codes given below:

Answer: [B] 1 & 2

Harappan urban settlements, of whatever size, generally shared a number of features: the use of bricks of uniform proportions (1:2:4) and usually size (7 by 14 by 28 centimeters for houses, 10 by 20 by 40 centimeters for city walls); efficient provision of water and sanitation; workshops and other industrial facilities; well-appointed housing; cardinally orientated streets; and the use of baked brick, particularly for bathrooms, drains, and wells.

This question is a part of GKToday's Integrated IAS General Studies Module