Submarine volcanoes are underwater vents or fissures in the ...
Mount Vesuvius is a stratovolcano in the Gulf of Naples, ...
Seismometers are instruments that measure motions of the ...
Potable water refers to water that is 'drinkable' and will ...
It is difficult to distinguish an extinct volcano from a ...
The Juniper is a small tree of the cypress family. The most ...
0
词条
词汇
关注者
51
1
64
6
4
2
95
10