Answer C it can be found a little past Neptunes orbit
For the first blank it would be: Lock
&
For the second blank it would be: Key
No, this is false!
Renewable resources can be syntesized by humans, or not: some of them can, and some can't. This is not what makes them renewable, instead it's the fact that they will still be present in the nature after usage - they will be replaced (the sun will still shine tomorrow even if we harvest its power).
Water reacting with nitrogen gas i think, since it doesn’t actually react
