Answer:
What gets wetter as it dries?
My first is high, My second damp, My whole a tie, A writer's cramp
Soldiers line up spaced with pride. Two long rows lined side by side. One sole unit can decide, if the rows will unite or divide.
What is the heart of many risks, has a heart, but is not a living being?
Until I am measured I am not known, Yet how you miss me when I have flown.
I am your mother's brother's only brother in law. Who am I?