The answer to the blank is none of the above as the answer to the blank is Upward Social Mobility.
Social mobility refers to the individuals or groups movement in social position and upward social mobility is the ability to move up in social class and the opposite is the downward mobility. The movement or the social mobility is based on education, occupation, wealth and other social variable.
The environmental material that humans use to survive and fill needs is Natural Resources
<u>Explanation:</u>
Natural resources are resources that are available on the earth naturally. Nature provides us with air, water, land, forest, energy and many other resources. The human require these environmental materials to survive.
The human races are dependent on these for food, shelter and livelihood. When a water reservoir was found that is where civilization started to form. Plants and animals provide food and energy for the human.
Resources like natural gas, petrol, minerals provide income and decides the economy of the country. It is our duty to preserve these resources for our future generation.