Choose the word or phrase that best completes each sentence. Ghana gained most of its wealth because it controlled the
.

Ghana collected
to add to the empire’s wealth.

Ghana was known as “the land of gold,” and it traded gold for
.

There are 3 answers please and thank you.

Is even more difficult to analyze because of the lack of cues in computer mediated communication.

Ascientist successfully predicts the outcome of an experiment. you watch carefully and know he didn't cheat. the scientist's success shows that: a) the scientist knows absolute truth about this experiment; success is not possible unless you know the truthb) the scientist was just lucky; no one ever knows what's going on, so successful predictions require luckc) the scientist may know the truth, or at least know something that is close to the truth, or the scientist may have gotten lucky this time; you can't be absolutely sured) the scientist really was cheating, even though you didn't see the cheating; no one can get things right, except by cheatinge) the scientist spent the night at a particular hotel chain and go a free breakfast, giving the scientist the ability to do amazing things

During he 1840s, more americans than british settled in the oregon country. how do you think this settlement influenced negotiations with the british over the territory