Activity for Schwertspize‭

Type	On...	Excerpt	Status	Date
Question	—	Cold Earth (or a big rock with atmosphere) My Earth is similar to our real Earth, and some scientists have found out a really cheap way to use geothermal energy. Huge generators are built, but one scientist eventually found out that the Earth is not as hot as it was before this huge usage of geothermal energy. The Earth gets colder inside and... (more)	—	about 9 years ago