Answer:
What invention lets you look right through a wall?
Why are there no living cats on Mars?
Lovely and round, I shine with pale light. Grown in the darkness, a lady's delight. What am I?
I always murmur but never talk. Always run but never walk. I have a bed but never sleep, have a mouth but never speak. What am I?
What gets bigger the more you take away?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.