Question

descriptions
man - made structures, features, and facilities viewed collectively as an area in which people live and work
the entirety all living and non - living things occurring organically
prevention of wasteful use of a resource
materials or substances such as minerals, forests, water, and fertile land that occur in raw form and can be used for economic gain
answers

Explanation:

• For the first description, "man - made structures, features, and facilities viewed collectively as an area in which people live and work", the term is "built environment".
• For the second description, "the entirety all living and non - living things occurring organically", the term is "natural environment".
• For the third description, "prevention of wasteful use of a resource", the term is "conservation".
• For the fourth description, "materials or substances such as minerals, forests, water, and fertile land that occur in raw form and can be used for economic gain", the term is "natural resources".

Answer:

built environment, natural environment, conservation, natural resources