Step 1: Identifying the factors of production.
The four main factors of production are:
- Land: Natural resources used in the production process.
- Labor: Human effort and skills involved in production.
- Capital: Machinery, tools, and equipment used in production.
- Entrepreneurship: The initiative to combine the other factors to produce goods and services.
Step 2: Conclusion.
Thus, the correct answer is Land, labor, capital, and entrepreneurship.