Activity for Hack-R
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Is it realistic to have aliens invading Earth for water? I can think of at least 2 movies that had aliens invading Earth for water. Is this a feasible motivation? I was thinking that Water is H20, i.e. dihydrogen monoxide The vast majority of the universe is made of hydrogen Oxygen is also pretty common as it's the 3rd most common element in the unveri... (more) |
— | about 8 years ago |