B. Two (2)
1) Arab traders brought Islam to North Africa - Started in the 7th century.
2) European trading posts; slave trade - The transatlantic slave trade began in the 15th century.
3) Scramble for Africa - Was the period of occupation, division, and colonization of African territory by European powers, which happened between 1881 and 1914.
4) European colonies established by Berlin conference - The Berlin Conference of 1884–1885, also known as the Congo Conference or West Africa Conference regulated European colonization and trade in Africa, it was seen as the formalization of the Scramble for Africa that had started earlier in 1881.
5) African nations gained independence - There has been some controversies about the first African country to gain independence, Egypt was the first in 1922, however, it was not considered as an African nation at that time, or lets say, some Egyptians did not accept that they were Africans, having said that, we can say Africa started gaining independence from 1922-1990 to when Namibia finally gained independence from the white minority apartheid government of South Africa, however, if we are talking about independence from European colonization, it is the Seychelles which got her independence from France on June 27th, 1977.
Answer:
Explanation:Economists and statisticians use several methods to track economic growth. The most well-known and frequently tracked is the gross domestic product (GDP).
The three major categories of energy for electricity generation are fossil fuels.
coal, natural gas, and petroleum.
Answer:
C. include global warming, which is greatly enhanced by society's production of greenhouse gas
Explanation:
Human activities such as burning of fossil fuel, industrial waste has lead to the emission of greenhouses such as carbondioxide, carbon monoxide, methane, chlorofloro carbon accumulation of which in the atmosphere leads to global warming as a result of the depletion of the ozone layer and the direct impact of sun on the earth.
The depleted ozone layer has lead to the constant and high temperature
that is affecting the earth.
Green plant,trees are natural users of carbondioxide but deforestation of this trees has also reduce the use of carbondioxide making it abundant in the atmosphere.
