The most necessary condition to build a glacier is: <span>More snow must fall in the winter than melts in the summer. </span><span>when More snow fall in the winter than it melts in the summer, the snow will start to accumulate on the top of the higher terrain. This accumulation will form an abundant amount of snow on higher terrain, which will fall as glacier as soon as its temperature drop.</span>
The one that supports the theory of continental drift is : c. Rocks and continental shape The theory of continental drift was proposed back in 1915 which stated that parts of the earth's crust slowly drift atop a liquid core
