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Examine the charts above and answer each of the following questions - Leaving Cert Geography - Question 27 - 2015

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Examine the charts above and answer each of the following questions. (i) Calculate X, the percentage of energy produced by gas in 2010. (ii) Which fuel increased i... show full transcript

Worked Solution & Example Answer:Examine the charts above and answer each of the following questions - Leaving Cert Geography - Question 27 - 2015

Step 1

Calculate X, the percentage of energy produced by gas in 2010.

96%

114 rated

Answer

From the pie chart for 2010, the total percentage accounted by other fuel sources (Coal: 20%, Oil: 20%, Nuclear: 12%, and Renewables: 28%) is:

20+20+12+28=80%20 + 20 + 12 + 28 = 80\%

Therefore, the percentage of energy produced by gas in 2010 is:

X=100%80%=20%X = 100\% - 80\% = 20\%

Step 2

Which fuel increased its energy production the most between 1995 and 2010?

99%

104 rated

Answer

The fuel that increased its energy production the most between 1995 and 2010 is Renewables. In 1995, renewables accounted for 9%, while in 2010 they made up 28%. This indicates a growth of 19 percentage points.

Step 3

Explain briefly why energy production using this fuel type increased.

96%

101 rated

Answer

Energy production using renewable sources increased due to several factors. Firstly, there has been a growing awareness and concern regarding climate change, prompting governments and organizations to invest in clean energy solutions. Secondly, advancements in technology have made renewable energy sources, such as solar and wind, more cost-effective and efficient, leading to increased adoption.

Step 4

Name two sources of renewable energy.

98%

120 rated

Answer

1. Solar energy 2. Wind energy

Step 5

State two effects of burning fossil fuels on the environment.

97%

117 rated

Answer

1. Air pollution: Burning fossil fuels releases pollutants such as sulfur dioxide and nitrogen oxides, which contribute to respiratory problems and environmental issues like acid rain.

2. Greenhouse gas emissions: The combustion of fossil fuels produces carbon dioxide, a major greenhouse gas contributing to global warming and climate change.

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