physical features are features in which you can observe by your eyes.
economic features are features that the economy has
There are no features
There are no features
Of course, smart phones do have features but alot of features.
The difference between physical and human features is that physical features are features created by nature, e.g. mountains, and the human features are the features that are man-made, such as architecture. In geographical features, I am not sure about child health, physical features describes the land. Human features describes the culture, homes, jobs, etc. of that area.
What features?
there are many features.
features of marketing?
For us to answer this question you need to be more precise and tell us what sort of features you are asking about, geographical features, feature films, biological features, human features etc.
Formatting features.
The word categories are defined by a set of features: -Semantic features. -Formal Features.