Physical needs
Emotional needs
Aesthetic needs
Self-fulfilling needs
I think it’s in that order
The main function is a. excrete wastes from the body in urine.
125 ml/hour x X hours = 1000 ml
X = 1000 ml/ 125 ml/hour
X = 8
It will take 8 hours
The backpack's main force that it it is exerting on the body's back and hips is coming from gravity, and can pull the spine downwards. This is why it's important to ear both straps.
