ISBN:99991803
作者:Franklyn Mansfield Branley
适合年龄:6-9岁
主题:AR 3~3.9
系列:Let‘s read and find out science
分类:科普读物
页码:30
定价:5.99
分馆:上海馆 是否在馆:在馆
Volcanoes are one of nature's great wonders. For years they can stand dormant, but once active they can erupt in tremendous explosions of power. Some eruptions are so big, they change the earth's climate. Luckily, geologists can now approximate when an eruption will occur. What are the causes of an eruption and what are the warning signs? Read and find out!