यूरी ब्रोनफेनब्रेनर द्वारा प्रतिपादित मानव विकास का जैव-पारिस्थितिकीय मॉडल (Bioecological model) मुख्य रूप से किस पर बल देता है?

The arrival of which commission in India triggered widespread protests, including mass hartals across the country in 1928?

Which of the following leaders was instrumental in initiating and leading India’s struggle for independence?