Routine activities are the type of activities we do everyday. keyword: routine.
So They Wont have to physically smoke and help them cut down on nicotine slowly by slowly until they actually quit
a calming the critic you welcome
Answer:
Environment
Explanation:
In a research study, internal validity refers to how well an experiment was carried out and to what extent the piece of evidence supports a claim.
The lesser the chance of confounding in a study the higher the internal validity.
Study of memory is possible through learning the electrical activity created by neurons.
Therefore, thunderstorm will affect the readings hence it is an Environmental threat to the internal validity.