Final answer:
Timber tracts and mineral deposits are classified as natural resources because they are materials found in nature that can be used for production without human-made alterations.Option 5 is the correct answer.
Step-by-step explanation:
Among the options listed, timber tracts and mineral deposits are classified as natural resources. Natural resources are materials that are found in nature and are not altered by human effort.
Timber from tracts of land and mineral deposits are components of the earth that can be used to produce goods and services, making them natural resources. On the other hand, patents, land improvements, and equipment are the result of human innovation and thus cannot be considered natural resources.
The correct options that are classified as natural resources are 2) timber tracts and 5) mineral deposits.