Answer:
 D. Member nations combine and coordinate their economies.
Explanation:
The European Union is a single common market with the same rules, where competitors from other EU countries compete under the same conditions with a local member´s firms. The EU, and that´s the work of its executive branch the European Commission, has uniform norms and standards; all its members must follow similar macroeconomic, fiscal and trade policies. 
 
        
             
        
        
        
Plutons. It is 100% correct. 
here is the definition of a pluton to prove my point: 
<span>In geology, a pluton is a body of intrusive igneous rock, called a plutonic rock.  It is crystallized from magma slowly cooling below the surface of the Earth. </span>
 
        
                    
             
        
        
        
Answer:
HDI-human development index
the colum below shows schooling years(education part of HDI)-shows how "intelligent" a country is which indirectly relates to how much income is earned.
A very large range of countries are shown and as the poorer the country gets so does the level and amount of education
Explanation:
HDI is  is a statistic composite index of life expectancy, education, and per capita income indicators, which are used to rank countries into four tiers of human development.
 
        
             
        
        
        
Answer:
1. oceanic-oceanic boundaries
2. oceanic-continental boundaries
3. continental-continental boundaries
Explanation:
The three types of plate convergence are:
1. oceanic-oceanic boundaries: this occurs when two oceanic plates clash; thereby the heavier plate forms below the lighter plate resulting in dark, heavy, basaltic volcanic islands.
2. oceanic-continental boundaries: this occurs when there is a collision between oceanic and continental plates, resulting in the downward movement of oceanic plate, while the volcanic arc rises on land
3. continental-continental boundaries: this occurs due to the massive crust of slabs clashing against each other. Thereby leading to big mountains forming from folded, faulted, and thickened convergent boundaries
 
        
             
        
        
        
<span>the country that is not dircetly situated next to a sea or ocean is : C. Laos
Laos is a country in south east asia that is located entirely by land. On its southern border it covered by Thailand, Myanmar border its eastern part, Yunnan borders its northern part and its western part is bordered by VietnamHope this helps. Let me know if you need additional help!</span>