In Sub - Saharan trade, gold , salt and slaves were the most important commodities.
Gold came from Bambuk in the valley of the Senegal where there was a lot of alluvial gold. Rock salt came from areas in the Sahara which were once covered by inland seas. Its extraction, in large blocks under the blazing sun, was appalling work carried out by slaves.
Slaves mainly came from around the region of Lake Chad, where the Zaghawa tribes made a habit of raiding their neighbors and selling them to Arab purchasers in the north.
Other important commodities were cola nuts, dates, copper and brass.
The pharaoh was the most sacred <span />
Answer:
They receive no techniques at all, but they are measured.
Explanation:
When the effect of a treatment is to be studied, participants are divided into two groups. One group receives the treatment while the other group does not.
The group which receives the treatment should show the claimed effects of the treatment while the other group should not show the effects. The group which does not receive the treatment is called the control group
Here, the control group will not be administered any techniques at all but their state will be measured.
Answer:
Factor analysis
Explanation:
The student is performing Factor analysis. Factor analysis can be defined as a method of decreasing a large number of variables to small number of factors. This statistical technique can give descriptions of variability among the observed and the unobserved variables. In simple terms, Factor analysis helps in the simplification of data by decreasing the variables in regression.
Hi! Is there supposed to be choices in your item but assuming there's none, here's my answer: A consumer might respond to a negative incentive because it could be a chance to that consumer change his or her behaviors in predictable ways. In this case of a negative incentive, there might be a scarce on allocation and they would not get a high return.
