Answer:
What is black when you buy it red when you use it and gray when you throw it away?
I have cities but no houses I have mountains but no trees I have water but no fish. What am I?
I am enjoyed with a pot and some pointy sticks.
You do not want me when you donโt have me, but when you have me you donโt want to lose me. What am I?
The last woman on Earth received a phone call. Who was the caller?
If itโs information you seek, come and see me. If itโs pairs of letters you need, I have consecutively three. What am I?