The quartz is more resistant to abrasion and chemically more resistant than the feldspar. The result is that the quartz remains in the stream but the feldspar breaks down to clay or is dissolved.
(this is from coursehero.com)
Answer:
Studies point out that almost 70 percent of the South American continent is made up of hydrographic basins with naturally navigable rivers, which provide real opportunities to become a strategic factor that favors the transportation of merchandise, economic revitalization, and in general, a comprehensive development
Explanation:
30 °C is around the average temperature during summer
Answer:
They can collect some marine objects like shells and also the fresh winds are due to the physical features.
Explanation:
Waves, tides and currents are the responsible to the erosion in coastal areas, this physical feature will give some benefits to the people there because the movement of the waves can bring to the beach some shells to sell or some crabs to eat.
Also coast are dynamics, that mean, that they move faster in their content, giving some reasons to visit the beaches as touristic places.
Waves and tides of coast also can be attractive for some boats (or practicing sailing) or other aquatic sports like surf.
Hope this information is useful.
