Productive Resources are resources used to make goods and services.
Therefore the best possible option is the last one - Factors that are used to make goods and services.
Three well known types of tropical climate<span> are classified as the </span>Tropical <span>Rain forest, </span>Tropical <span>Monsoon,and lastly the </span>Tropical<span> Wet and Dry or more classically known as the Savannah. </span>
Geographic information systam
its like a scan of the earth
