"is stress-reduction technique whereby electronic equipment measuring a person's involuntary (neuromuscular and autonomic) activity helps him gain a level of voluntary control over these processes."

Hi !

biofeedback is stress-reduction technique whereby electronic equipment measuring a person's involuntary (neuromuscular and autonomic) activity helps him gain a level of voluntary control over these processes."

all soils contain mineral particles, organic matter, water and air the combinations determine the soil's properties – its texture, structure, porosity, chemistry and color. soil is made up of different-sized particles. sand particles tend to be the biggest.

she forgets to repeat her message as often as necessary