Answer:
I am the red tongue of the earth, that buries cities.
What type of house weighs the least?
Small, containing light, You'll need it in the dark, It will provide that spark, and shine into the night. Will light up any pyre, 'Cause it can help make a fire.
I'm the start of eternity and the end of space. There are two of me in heaven and one in hell.
What is as light as a feather, but not even the strongest man on earth can't hold it for more than 1 c)minute?
When is it bad luck to see a black cat?