निम्नलिखित में से कौन सा हड़प्पा स्थल एक ज्वारीय गोदीवाड़ा (dockyard) होने के लिए प्रसिद्ध है?

Which one of the following animals was not reared or domestically maintained by the Harappans according to established archaeological evidence?

The cities of the Harappan Civilisation were constructed using standardized burnt bricks with a uniform ratio of thickness, width, and length. What was this ratio?