Un escritor escribe mucho.
The answer is escribe.
The translation of this question is When is your dad's birthday?
You would answer it with: La fecha de naimiento de mi padre es --------(his birthday)
Scientists mainly seismic waves to detect the forms of layers in our planet. By measuring the speed and returning times of seismic waves, scientists are able to know about the solidity and liquidity of various layers.
Hope I've helped!
:D
