Choose all the answers that apply. Fission reactions
O are used by power plants to create energy
O requires lower temperatures than fusion reactions
O release less energy than fusion reactions
o use lighter atoms than fusion reactions
O split atomic nuclei apart

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?

It is believed that europa, one of jupiter’s moons has an ocean beneath its surface. based on how earth’s oceans and atmosphere are believed to have formed, what can be said about europa’s supposed ocean? the arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced , similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s .

Identify the composition of oceanic and continental crystal rocks. in a model of earth’s interior, where would these rocks appear?