They operate, maintain or repair geothermal power plants and commercial and residential geothermal heating installations. (googled this for you)
Hm, this is not an easy question.
Generally the best way to prevent a nuclear disaster is not to have any weapons, so A would be a good option. But in the modern world, complete destruction of all weapons is not feasible, and people believe that since US and Russia limited their number of weapons, this is no longer such a big concern (option D, which is I think the best. Personally, however I faviour A as a solution to the problem of nuclear weapons).
Answer: B. It provided a racial justification for conquering nonwhite peoples.
Explanation:
Germany had the urge to split its region between the Protestants in the north and the Catholics in the south because of the rising conflicts in these religious factions at the time of the "Age of Reformation." The continuous tensions between these two factions could rattle the political structure of Germany.
b. Influencing public opinion and forming political action committees
Interests groups form around an issue they want legal action taken. They will use marketing methods to influence public opinion through media and campaigning. If they form a political action committee then they will back political candidates and possibly provide money for a political candidate's campaign. Interest groups in the US include AARP, Family Research Council, and the NAACP.