I think the correct answer would be genetic modification. It is the most controversial technique that is used by many farmers as this method produce high quality products in large volumes. These products are called genetically modified organisms or GMO's.
The answer should be C.
"Increased Exercise."
Comforting the mom and letting the family know it was not on there behalf
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.
Answer:
The answer is definitely true