The correct arrangement in decreasing order is:
1. Electricity 31%
2. Transportation 27%
3. Industry 21%
4. Commercial and residential 12%
5. Agriculture 9%
From this pie chart we can see that the biggest amounts of Greenhouse emissions come from the power plants that produce electricity, with around 31% of the total emissions. The transportation by using the vehicles comes on second place with 27%, while the industry is the third biggest emitter of Greenhouse gases with 21%. The Commercial and residential use is much lower than the first three, accounting for around 12%, and the agriculture being the one with the least impact with only 9% of the emissions.
<span>There has been a great deal of discussion about the extent to which climate change could influence thermohaline circulation and its turnover processes in the Atlantic. After all, convection at high latitudes could be weakened by anthropogenic (caused by humans) warming of the atmosphere and the accompanying decrease in surface-water density. Additionally the density will decrease as a result of lower salinity in the North Atlantic. Climate change will probably cause an increase in freshwater input through a number of pathways, which will affect convection and thermohaline circulation. One way would be by an increase in precipitation over both the continents and the ocean. Another would be the increase of freshwater run-off from the melting glaciers to the sea. Furthermore, because less ice forms when it is warmer, the salt concentration in the surface water would not be increased as much by this proces</span>
Answer:
Drought is a dangerous condition which decreases the quality of life. It is termed as a natural disaster with harmful effects. A drought usually occurs when a region faces a shortage of water. This is mainly due to lesser rainfalls. In addition, droughts have proven to be fatal for mankind and wildlife as well.
Moreover, drought is the most dangerous for a farmer. As they do not have an ample supply of water, their crops dry out. This becomes a reason for worry as it is their sole income. Furthermore, drought also leads to various other problems for the environment and mankind.
Causes of Drought
Drought is caused due to various reasons. One of the main reasons is deforestation. When there will be no trees, the water on land will evaporate at a faster rate. Similarly, it lessens the soil capacity to hold water resulting in evaporation.
Moreover, lesser trees also mean lesser rainfall which eventually leads to drought.
Furthermore, as the climate is changing, the water bodies are drying up. This results in a lower flow of surface water. Therefore, when the rivers and lakes will dry out, how will the people get water? In addition, global warming is a major cause of this. The greenhouse gas emitted causes the earth’s temperature to rise. Thus, it results in higher evaporation rates.
Subsequently, excessive irrigation is also a great cause of droughts. When we use water irresponsibly, the surface water dries up. As it does not get ample time to replenish, it causes drought.
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Answer:
I think d. more developed
Answer:
the climate became warmer and the desert expanded
Explanation:
The Sahel region is the region of ecoclimatic as well as biogeographic zone of the transition in the Africa between the Sudanian savanna to the south and Sahara to the north.
At around 2000 BCE, the agricultural techniques of the people of the Sahel region started spreading or diffusing to the other parts of the Africa due to the climate change. The climate became more arid and warmer gradually and the deserts also expanded in the region.
