The field of mind-body studies includes research on the relationship between our surroundings and our health. Studies show that a healthy and pleasing environment (like plants in your office, or a treasured photograph on the wall) can do more than simply improve your mood--it can actually affect your immune system and physical health.
Answer:
1. old age social security
2. Availability of natural resources
3. Water supply , sustainable growth of crops
The answer to this question is soft sand.
The desert roadway shoulder surfaces are indeed typically consisting of soft sand. In the desert, there is an abundance of soil nutrients but the disadvantages of it is that desert is lack of water because it encountered insufficient rainfall.
Chemical weathering would be the oxygen reaction.