What is the difference between Lan Ha Bay and Halong Bay?
54 view
1 answer
Environment
What are the negative effects of shopping malls?
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1 answer
Which country has the highest number of people without internet connection?
6 view
1 answer
How are airplanes bad for the environment?
73 view
1 answer
Which country has the worst air quality?
42 view
1 answer
What was life like on Earth 500 million years ago?
61 view
1 answer
How can we reduce the impact of the natural environment?
46 view
1 answer
Which country is most sustainable and why?
41 view
1 answer
At what time of year would the Son Doong cave be inaccessible?
55 view
1 answer
What transports the most CO2?
55 view
1 answer