A sudden and visible discharge of electricity produced in ...
Mount Etna is an active stratovolcano on the east coast of ...
Manusela National Park, covering an area of 189,000 ...
A system of estimating and reporting wind speeds. It is ...
The Yarrow is a medicinal herb, which is plentiful on the ...
Established the U.S.-China Climate Change Working Group in ...
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Terms
Blossaries
6
Followers
95
10
47
3
2
21
41
4
64