Unconciousness, no respiration and no pulse.
For the lay rescuer, the following conditions must exist before performing CPR:
Adult: Not breathing and no signs of life (no movement, no breathing).
Child / Infant: Not breathing and no pulse.
J
.There must be at least two parties involved.
Variation must exist.
friction
erosoin
x and y must both be positive.
Low or no oxygen.
Energy
zxzcz
the terrain, soil, living conditions must exist.
warm air that way its replaced with cool air.
You have to have the dead remains buried quickly and then never distroyed
The force must couple to the object. The point of application of the force must be able to move in the direction of the force.