Bonjour. Pouvez vous m'aider à trouver une réponse pour cet exercice et merci. Le Rhône prend sa source dans le glacier du Rhône en Suisse à une altitude de 2209 mètres. Il parcourt la Suisse et la France sur 845 kilomètres et se jette dans la mer Méditerranée. Décrivez la granulométrie en amont et en aval de chaque barrage.

Say whether each of the following statements relates to the influence on weathering by rock composition, rock properties, or climate. 1.exposed rock in the mountains of alaska 2.a lack of fractures in an outcrop3.quartz is rarely affected by dissolution, hydrolysis, or oxidation4.high porosity (a large amount of space between grains in a rock)5.rocks on the coast of a tropical island6.minerals that dissolve in the presence of waterthe good earth/chapter 9: weathering and soils weathering ratesthe good earth/chapter 9: weathering and soilscompositional control1.weathering is faster in rocks composed of weaker material or material that is easily converted to weaker material (such as feldspars)2.weathering is faster in rocks made up of minerals that dissolve in water (salt, gypsum)3.weathering is slower in rocks made of resistant materials (quartz)rock property control1.weathering is faster in rocks that allow air and water in (porous, fractured)2.fractures are natural weathering surfaces3.igneous and metamorphic rocks generally have low porosity –do you think they are particularly susceptible to weathering

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals

What are mountains that divide european russia from asian russia?