No Denmark is a constitutent country within the Kingdom of Denmark.
No, both countries retain their own national currencies.
The Scandinavian countries are:FinlandSwedenNorwayDenmarkIcelandFaroe IslandsGreenlandGreenland and Faroe Islands is actually a part of Denmark but have home ruling with their own Parliament. They also are members of the Danish Parliament.
you can own a sea lion or any other animal in international waters and some southern countries
South Australia is a state in its own right, and it is part of the country of Australia. There are no other countries in South Australia or any of the other states of Australia.
Scandinavia is actually four countries (Iceland, Norway, Sweden, Denmark), each with it's own capital.
The Euro (€) is the most common Europe, although other countries use their own currencies such as the UK (Pound), Denmark (Danish krone), Sweden (Swedish krone), Poland (Zloty), Czech Republic (Koruna) and a few otheres.
In the USA you have to be 18 to purchase an air gun. But you can be any age to own one. Other countries have similar laws.
Two countries are interdependent when they have their own form of government, own constitution and own territory but depend on each other in various ways. Such countries will enjoy mutual benefit from their reliance on each other.
Scandinavia is no country. It includes the countries of Sweden, Norway and Denmark (many people would say it also includes Finland and Iceland). All these countries have their own currencies.
Denmark and the United Kingdom have opt-outs on changing to the Euro. This says that they have the right to keep their own currency if they want. The countries want this because they do not think the Euro is necessary for their country, they don't trust the currency, it'll be too much to handle to switch, etc. (many reasons). All other European Union members are expected to eventually switch to the Euro, as this is a rule by the EU.
Two countries are interdependent when they have their own form of government, own constitution and own territory but depend on each other in various ways. Such countries will enjoy mutual benefit from their reliance on each other.