Answer:
Control
Explanation:
Experimental control: In research, the term experimental control is defined as a technique used by an experimenter to minimize or decrease the effects of environmental variables and extraneous experience and therefore strengthening the interference that leads to change in the dependent variable because of the presence of the independent variable.
Function: It holds constant particular variables in an experiment for which the researcher is not interested to measure.
In the question above, Roberto has successfully created an experimental control.
What they said ^^^^ hope u get it rig he
Answer: Socioeconomical context pay a fundamental role in intelligence development
Explanation: The concept intelligence reffers to the abilities a person has to solve problems from different sources; the coefficient depends on a multiplicity of factors, one being socioeconomical context. Those who has a better economical state has better chances to stimulate their intelligence because they have higher resources.
The answer to this, i believe and hope is right, is a, b, and d because all these could show the world and the problems it’s facing.
The war that made an independent country in North America after 1783 was the American Revolution.