Generalized Anxiety Disorder (GAD), Specific phobias, Agoraphobia, Social Anxiety Disorder, Panic Disorder, Separation Anxiety Disorder.
Horizontal lines, like the horizon. That's how I remember it, anyways. Or on a globe, latitude lines. My teacher always taught us "FAT-itude lines."
I’m pretty sure it’s physical
Nutrients enter a cell with the concentration gradient by the process of diffusion.
I hope this helps!