Answer:
Denmark, Poland, Czech Republic, Austria, Switzerland, France, Luxembourg, Belgium, and the Netherlands.
Explanation:
Answer:The angular seperation is 
Explanation:
For two objects separated by a distance 's' and at a distance 'd' from the observer the angular separation ignoring the physical effects is given by

In the given question

light years
We know that in 1 light year there are 
Using the calculated values we get

Since π radians equals 180 degrees thus we have

Answer:
The greenhouse effect is a natural process that warms the Earth's surface.
Explanation:
When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. Greenhouse gases are absorbed energy that warms the atmosphere and the surface of the Earth.
Answer:
Colonialism, that is, the policies carried out by the European powers to obtain territories abroad and exploit them economically within the framework of mercantilist economic production, forever marked the destiny of the different nations that emerged from the colonized territories.
This was the case, among others, of the nations of Central America and the Caribbean, where powers such as Spain, England, France, the Netherlands and Portugal established different colonies, transferring their cultures to these territories, to the detriment of native cultures, which they were displaced and in many cases wiped out by the colonizers.
In this way, the nations of these regions are the product of said colonialist intervention: their peoples emerge from the mixture of Europeans, slaves, natives and later migrants, and their cultures are also a mixture between these nations. In addition, politically these countries have adopted Western systems, leaving aside the systems applied by the natives.