Question

What are factors of production?

all the human efforts involved in the production process
all the resources used to produce any goods and services
all the physical tools and equipment used in the production process
all the naturally occurring resources found in land, air, and water

Answer 1

all the resources used to produce any goods and services

When we say "all the resources", it means human efforts, such as labor and entrepreneurship. It also means natural resources, technology, capital, and land.