Answer:
I am the kind of ant that's good at math.
I hold two people together but touch only one. What am I?
My first 2 letters signify a male. My first 3 letters signify a female. My first 4 letters signify a great. I signify a great woman. What word am I?
I walk on 4 legs in the morning, 2 legs at noon, and 3 legs at night. What am I?
You write on me and secrets I can keep. In places never seen. I spin like a top. Though stiff as a board I'm often described like a mop.
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.