محتاجة مساعدة لحل بعض الاسئلة

السلام عليكم محتاجة ضرور حلول لهاي الاسئلة اذا ممكن تتعلق بيميكانيك التربة المتقدم الجيوتكنك وبسرعة رجاءا رجاءا
1-why do ground pollution problems challenge current soil mechanics concepts ,and what are methods for effectively soil behavior under various environmental condition
2-what are differences between surface energy and body energy

3-why is mechanical energy considered ashort term and chemical and physicochemical energies are considered long term processes

4-what are the advantages and disadvantages for using asoil science classification in geotechnical engineering applications

5- distinguish clearly between soil identification and soil classififcation systems

6-explain why in situ testing for certain soil deposits are so important

7-explain why the air - water -ground soil pollution are interrelated

8-discuss the signifcance of the silica -seequioxide ratio with respect to clay mineral and contaminated soil identification