South America and Africa are the two continents which provides a strong evidence for the continental drift because their sides has a specific structure which can be fit with one another. The east coast of South America and the west coast of Africa fit together like pieces of a puzzle. The rock composition of east coast of South America and the west coast of Africa also similar which gives us a strongest evidence for the movement of big land masses away from each other that occurs with the passage of millions of years.
The glacier have high albedos the melting of ice in summers produces a positive mechanism.
Explanation:
Over the time period, the ice melts and this leads to exposure of the dark grey rocks and causes more melting of the mountain glacier. The reflection from glacier snow is highest as ice absorbs less sunlight and keeps the surface cooler.
Thus reflecting back 90% of sunlight, in summer months due to the erosion agents the ice begins to move and this adds to the positive feedback mechanism that melts glaciers.
Physical environment impacts countries in a region it effects location and climates have large effects on income levels and income growth through their effects on transport costs, disease burdens, and agricultural productivity,