Document page
Pak Studies Geography IGCSEprinted 104 · PDF 104
162 pagesrevision 46929
printed 104 · PDF 104
Page image rendered from the stored file at 110 dpi; it sharpens as you zoom. Outlines are placed from each region’s stored position on the page (612 × 792 pt).
readable
Source of this text: embedded text layer. The better of the embedded text and OCR is kept.
Grinding grains into flour.
Cutting wood or processing crops in rural areas.
Advantages:
Simple and cheap technology.
Does not require fuel.
Useful in rural or remote regions.
Disadvantages:
Cannot generate electricity directly.
Works only when there is enough wind.
Low efficiency and limited power output.
Other Renewable Methods:
Tidal energy
Tidal energy is the power generated from the rise and fall of sea levels (tides)
caused by the gravitational pull of the Moon and the Sun on the Earth’s oceans.
How It Works (Methods):
1.
Tidal Barrages:
104