<span>Dec 8, 2013 - Alfredo Jaar wants to know: "Are you happy?" ... Yet as you walk by you notice that he is standing in front of a large white chart and it catches your attention. ... Chile was not a happy country in June 1980, when the Chilean artist Alfredo Jaar began taking public surveys for his Studies on Happiness project.</span><span>
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Answer:
"Giáo dục và đào tạo là chìa khoá mở cửa tiến vào tương lai."
Explanation:
Này thì thấy nào hợp với mình mà chọn thôi chứ mếu có đúng hay sai đâu.
Today's technologies<span> allow us to </span>explore the ocean<span> in increasingly </span>