What makes u think that? Who told u that? Ur the only person who gets to decide that for urself I’m sure ur a great person. Change your mindset !
Genetic and Non-Genetic Risk. Complex diseases do not have a single cause; it is the interaction between your genes, environment and lifestyle that ultimately cause complex diseases to occur. Examples of complex diseases are cancer, heart disease, and diabetes.
<span>Wash your hands. Do it frequently and especially
after using the toilet, changing a diaper or petting an animal and
before handling or eating food.
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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.