C. American society has failed to recognize the achievements of Native Americans
This would be an example of checks and balances.
The President can fill vacancies that occur but that power is not limitless. Congress, specifically the US Senate, has the power to advise and consent. So, the President cannot circumvent the Senate's advise and consent power with recess appointments.
This allows the country to have valuable staff, even during vacancies, but still requires the Senate's approval.
One of Nigeria's biggest problems is its lack of good leadership. Nigeria has barely managed to rule itself efficiently or achieve political stability since it gained independence 56 years ago. the Nigerian civil service has depreciated over the years and now riddled with corruption and ineptitude. Being so with Corruption, Impunity Leaders, Internal Strife, Worsening Economy, Administrative Inefficiency and Over Dependence on Oil.
The answer for this question is C. The Domino Theory. This theory states that if a country came under communist rule, its neighboring countries and regions would follow as well. This theory is what the US used as a reason to intervene in the different affairs of various countries to stop or prevent communism from spreading.
In order for the student to be able to properly test the hypothesis, it will be needed that certain data is collected first. The student will have to take the most important things in consideration about the creosote bush, like would it be able to survive under shade (much limited sunlight), would it be able to sustain increased amount of moisture (the solar panels will keep some of the moisture below them), but also being exposed under high temperature. The conditions for the creosote bush will change significantly, so these three things will be of crucial importance to be tested, since it is a very specialized plant, and those types of plants usually react very badly on sudden changes.
