E-book 'Ocean fury"

Download the ST Stars e-book from https://play.google.com/store/apps/details?id=com.sph.ststar&hl=en  Download the e-book "Ocean's fury" for free.
Some extracts from the e-book on ocean's fury below:

Points to ponder:
  1. What cause a tsunamis?
  2. What are the impacts of a tsunamis?
  3. What are the short-term and long-term responses?
  4. How do they prepare for tsunamis?

A major earthquake with a magnitude 7.7 struck off Papua New Guinea on Monday and triggered a tsunami warning. Find out from the news article below the impact. http://www.channelnewsasia.com/news/asiapacific/tsunami-threat-has/1755694.html

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