Space Exploration

Please watch the following videos and answer the questions below. I do not endorse any commercial products mentioned in the videos.

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1) What is coral bleaching and what is its consequence? (5 pts)

2) What are the two methods to sequester carbon dioxide in the second video? What are the hazards and potential problems associated with each method? (15 pts)

3) I think our discussion will be more interactive and interesting when the topic is controversial. The emission of carbon dioxide might be associated with global warming. Do you believe in global warming or not? What is the basis for your belief? Please cite supporting evidence as appropriate. (10 pts)

4) What do you think we can do to give our planet Earth a better future on three levels: individual (yourself), the country, and the globe? There are no wrong answers here. (10 pts)

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