Passengers, crops, and petroleum are transported on the Niger River, so the correct answers are 2, 4, and 7. The Niger River is one of the most important rivers in Africa, as it is used to transport resources from one part of Africa, to others, which may be otherwise inaccessible by other routes. This way, nobody has to starve no matter where in Africa they are located.
It wont allow me to view the image, but i will attempt to reload it when i arrive home.
Yes, it's A. because it is talking about their presentation of government.
Answer is C. Internet is a vast field, full of information and knowledge, which are very helpful for studies and research. Some come from <em>safe sources</em> and other might need some <em>precautions</em>. When we read something that <em>seems</em> to be interesting or even truthful, but the people that wrote it don't identify themselves, it can indicate that some information is being hidden on purpose. Also, being anonymous, make people with no <em>accountability</em>.
The United States Congress is specifically forbidden from some actions because the Congress might be wrongly influenced to make certain changes that can effect the general people of the country. The constitution might get affected and the country might lose the virtues on which the founding fathers created the constitution.