What were the percentage uses of primary energy sources in a country in 1970 and 1990?

Economics
What were the percentage uses of primary energy sources in a country in 1970 and 1990?

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Answer

10%10\%).

Step 1: Extract and list the data from Table 1.
Energy Source | Percentage
---|---
Coal | 70%70\%
Lignite | 20%20\%
Hydro | 9%9\%
Nuclear | 3%3\%

Step 2: Prepare the axes.
Draw a horizontal line for the x-axis (about 12 cm long). Mark 4 equal intervals (3 cm each) and label them: Coal, Lignite, Hydro, Nuclear.
Draw a vertical y-axis (about 10 cm tall) intersecting the x-axis at the left end. Label it "Percentage (%)". Mark scale: 0, 10, 20, 30, 40, 50, 60, 70, 80 (each 1 cm = 10%10\%).

Step 3: Draw the bars (use ruler for straight vertical lines from x-axis up to the height matching each percentage).

  • Coal: Draw bar 7 cm tall (to 70%70\%).
  • Lignite: Draw bar 2 cm tall (to 20%20\%).
  • Hydro: Draw bar 0.9 cm tall (to 9%9\%).
  • Nuclear: Draw bar 0.3 cm tall (to 3%3\%).

Step 4: Add title and details.
Title at top: "Bar Graph of Energy Sources by Percentage".
Shade bars lightly (e.g., diagonal lines for Coal, horizontal for others). Add data labels on top of each bar: 70%70\%, 20%20\%, 9%9\%, 3%3\%.

Step 5: Verify.
Total: 70%+20%+9%+3%=102%70\% + 20\% + 9\% + 3\% = 102\% (minor rounding in data). Bars proportional to percentages.

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Quick Answer

Extract and list the data from Table 1. Energy Source | Percentage ---|--- Coal | 70\% Lignite | 20\% Hydro | 9\% Nuclear | 3\% Step 2: Prepare the axes.

What were the percentage uses of primary energy sources in a country in 1970 and 1990?
Economics

This economics question tests your understanding of economic models and analysis. The step-by-step answer below applies the relevant framework and explains the reasoning.

ScanSolve AI Answer
Step 1: Extract and list the data from Table 1. Energy Source | Percentage ---|--- Coal | 70\% Lignite | 20\% Hydro | 9\% Nuclear | 3\% Step 2: Prepare the axes. Draw a horizontal line for the x-axis (about 12 cm long). Mark 4 equal intervals (3 cm each) and label them: Coal, Lignite, Hydro, Nuclear. Draw a vertical y-axis (about 10 cm tall) intersecting the x-axis at the left end. Label it "Percentage (\%)". Mark scale: 0, 10, 20, 30, 40, 50, 60, 70, 80 (each 1 cm = 10\%). Step 3: Draw the bars (use ruler for straight vertical lines from x-axis up to the height matching each percentage). Coal: Draw bar 7 cm tall (to 70\%). Lignite: Draw bar 2 cm tall (to 20\%). Hydro: Draw bar 0.9 cm tall (to 9\%). Nuclear: Draw bar 0.3 cm tall (to 3\%). Step 4: Add title and details. Title at top: "Bar Graph of Energy Sources by Percentage". Shade bars lightly (e.g., diagonal lines for Coal, horizontal for others). Add data labels on top of each bar: 70\%, 20\%, 9\%, 3\%. Step 5: Verify. Total: 70\% + 20\% + 9\% + 3\% = 102\% (minor rounding in data). Bars proportional to percentages.