What amino acid is the precursor for the neurotransmitters epinephrine and norepinephrine?

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

[34 points awarded to the best answer, use facts and/or data] 1.) what's the likelihood of thunderstorms occurring in the state of maryland? {this question is for a project for science, use facts and/or data and explain why . 34 points to the best answer]