Activity for stonemetal‭

Type	On...	Excerpt	Status	Date
Answer	—	A: Can there be a space age without petroleum (crude oil)? There is very little petroleum product in a rocket. For example the shuttle used liquid oxygen and liquid hydrogen for fuel. For energy in space they tend to use solar or nuclear power. The only petroleum used on the shuttle would be plastic. It could easily be made out of vegetable oil instead of... (more)	—	over 7 years ago