Answer: 3) Confounding variable
Explanation:Confounding variable is the variable that indicates about the external influential factors that produces the manipulated consequences of independent and dependent variable.This variable can lead to producing useless outcomes in an experiment.
According to the question, the changes occurring in interest of student in algebra can be due to the outside factors which are not generating the actual results and thus, experiment is getting ruined.
Other options are incorrect because application variable remain same for the experiment,system variable are the variables of certain system and reliability variables describe about the variable on which dependent or stable.Thus, the correct option is option(3)
With the PSA we want to get the germs from the foods so i am going to make it safer to handle foods by washing your hands after preparing and before preparing food and to where nets over their hair and beards.
please can i have a brainlier
Answer:
That a closed door policy is better
Explanation:
for example McJuggernuggets dad has an open do policy but that policy didn't work out so a closed do policy did and mcjuggernuggets and psycho dad lived happily ever after.
Answer:
D) logic and reason are capable of solving social and politcal problems