Resources are the backbone of the economy and are essential for the survival of living organisms. Resources can be broadly categorized into two types: natural and human-made. Natural resources are naturally occurring substances that are found in the environment, whereas human-made resources are those that are produced by human activities.

Explanation:

The term resources refer to the things that are used to satisfy human wants. Resources are classified into two types: natural and human-made resources.

1. Natural Resources:
Natural resources are the resources which are found in nature and are not produced by human activities. They are freely available in nature and are used to satisfy human needs. Examples of natural resources are air, water, soil, minerals, forests, wildlife, etc.

2. Human-made Resources:
Human-made resources are the resources which are produced by human activities using natural resources. These resources are called capital goods as they are used to produce other goods and services. Examples of human-made resources are factories, machines, tools, etc.

The functions of human activities:
Human activities play a vital role in the availability and accessibility of resources. Human activities transform natural resources into human-made resources, which are used for the production of goods and services. The functions of human activities are:

1. Production:
Human activities are involved in the production of goods and services. Production involves the transformation of natural resources into human-made resources.

2. Distribution:
Human activities are involved in the distribution of resources. Distribution involves the transportation of resources from one place to another.

3. Consumption:
Human activities are involved in the consumption of resources. Consumption involves the use of resources for satisfying human wants.

Conclusion:

In conclusion, the true statement about the term resources is that they are the functions of human activities. Human activities play a significant role in the availability and accessibility of resources. Resources are used to satisfy human needs and wants, and they can be broadly categorized into natural and human-made resources.