There are three factors that determine the elasticity of demand for goods and service. select all of the factors that determine the elasticity of demand?A) technology, B) market size, C) proportion of income, D) time, E)substitute goods and services, F) luxuries vs. necessities

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.

propioception;