Large megathrust earthquakes in the mountainous regions flanking the Mediterranean sea are generally due to .

Airplanes usually fly in the lower part of the stratosphere - there is nearly no water vapor and it's very dry, so it to avoid big turbulences. it's about 8-10 kilometers above ground (depending on weather conditions, region etc.)

Ithink you wanted to know whether the statement in question is true or false. based on this assumption, i am answering the question. it is a true fact that in the unsaturated zone the pores of the soil are totally filled with water. i hope that this answer has come to your immense .