There are seven major features of a culture. These include social organization, customs and traditions, religion, language, arts and literature, forms of government, as well as economic systems.
list ANY major geographic features of cuba (bodies of water, lakes, mountains)?
Never Ever
Something prominent about any particular thing. For example a major feature of California is it's beaches.
Well there is Mt Ararat, on which the Ark of Noah rested.
The Thames river is its major natural feature
No, it is not recorded as such on any major list of the Wonders (of any kind).
the edge of a tide line on any beach on any coastline on the pacific ocean
There are seven major landform regions of Iowa that give Iowa the landscape it has today.
In theory, an open source software can do better than the commercial counter part - because of the free-will and openness. But in reality, NO, the open source version DOES NOT have the same major features of the commercial product. The major features of both versions will not be the same, and the commercial version SHOULD have the "major" features that the open-source does not have in order to make money from those features. And usually, those commercial features are patented or copy-righted, the open source version cannot duplicate them in any form. Some open source even has provision agreement that it would not be commercialized!!
The TI-89 allows yout to save equations and formulas -- thus making it very useful for the Chemistry major. However, any programmable calculator should help the chemistry major with this.
An example of a cultural enclave would be Chinatown within any North American major city. The Chinese culture within the territory of another contrasting culture. It can exist between many cultures.
No practical uses have not been found, because only seven atoms have ever been made, which is not a large enough sample to distinguish any features or find any uses.