Expansionism could impact the economy since it is expanding its hard to control everything financially
A. the free choices made by consumers and producers influence each other
(supply and demand) customers want x, y, and z, so producers create x, y, and z, and so on.
Answer:
C. Salt was able to preserve meat before the invention of
Answer:
Zone of proximal development.
Explanation:
Answer:
There may be some other third variable
Explanation:
The third variable also called the confounding variables. These are the variables that a researcher does not able to control these variables. These variables eliminate, destroy the internal validity of an experiment. These are also called the mediator variable or confounding variables. These third variables influence the independent as well as the dependent variable. When the researcher is not aware of the third variable and even not able to control the third variable then this variable affects the result of an experiment.