places and regioms only talk about the characteristics of the places and the kind of land a place is and the world you spatial only talks about location
The places you can find the element calcium are: your bones, dairy products, and cells.
atomic mass
Yes, it's the name of an element. All names of people, places and things are nouns.
Iodine is a chemical element that most of us are unlikely to see in its pure form. In many places in the world it is also the common name for 'tincture of iodine'. Please see the links.
Gold like many other elemental metals is found in ores rather than in its pure state and must be refined before ingots of the metal can be produced
places and regions and physical systems
desert streams get flash floods more than the streams in the humid places.
population
Spatial interaction is the flow of products, people, services, or information among places, in response to localized supply and demand.
The six Essential Elements of Geography are (1) The World in Spatial Terms (2) Places and Regions (3) Physical Systems (4) Human Systems (5) Environment and Society (6) The Uses of Geography.
regions
Ice regions are freezing cold places.
the world in spatial terms-how to use the map with absolute and relative locationplaces and regions - The physical and human characteristics of placesphysical systems-The physical processes that shape the patterns of Earth's surface.human system-The characteristics, distribution, and migration of human populations on Earth's surface.environment and society-How human actions modify the physical environment.The use of geography-How to apply geography to interpret the past.
It could be anything to do with political perceptions and spatial interactions between people and places.
The 3 principles of spatial interaction are transferability, complementarity, and intervening opportunity. These principles were coined by Edward Ullman.
Regions are important because this separates places so yeaa that's your answer
Yes they are on the opposite poles of the Earth.