Answer: Principle of motion economy.
Explanation: principle of motion economy developed by Frank and Lillian Gilbreth are guidelines to help determine the work method, workplace layout, tools, and equipment.
The aim of this is to help in identifying and replicating one best way to complete a task and also minimize the physical and perceptual loads imposed on people engaged in that task.
Answer: They wore animal hides and furs.
Explanation: Before farming was invented, people didn’t have the ability to have a stable home and life, so they were primarily nomads, moving from place to place along with the animals the hunted and consumed, so they most likely wore the pelts and skins they collected from the hunted animals.
Answer:
The sun and the water.
Explanation:
In this experiment in which Joey and Elena want to determine which is the best fertilizer to use on pepper plants the independent or controlled variables are<em> the amount of sunlight and the amount of water the plants receive</em>. Identical plants are treated in the same way except for Super Grow fertilizer and Mo' Grow fertilizer. The fertilizers are the independent variable that may or may not show different results on the height of the plants.
She has a very strong superego. In his theory of psychic entities, Sigmund Freud divided the psychic consciousness into 3 antagonistic levels that generate conflicts between them, and the resolution of that conflict is what governs our behavior. These levels are: The Id which is governed by the pleasure principle, the ego that is governed by the reality principle, and the superego that is governed by the principle of morality.
I hope my answer can help you.
