The only disadvantage I could think of would be price of equipment needed to produce energy from the source (i.e. price of solar panels)
<span>Under a unitary type of government, there is one central government. This type of government provides citizens with the right to vote on issues within their state and within the country. Local citizens can also become involved in local politics and hold offices in city, county and even state positions.</span>
C ..............................
I think the inference that could be made is :
2. Earth's orbit has a greater distance between foci than the comet's orbit
both earth and comet has sun as their Foci, and from the diagram, the distance between earth and sun is far greater
The international community does not have the power to intervene in conflicts within a country. i hope this helps!