Answer:False , this is actual an advantage to terrorist
Explanation:Terrorist always want to be invisible and be able to get to certain places without being noticed so it makes it easier for them to get in with certain chemical in those places they want to demolish without being noticed , given the fact that pure foam chemical are hard to detect meaning no one will suspect them.
Answer:
B.
Explanation:
In fables we are usually taught a moral so that we can grow responsibly. But since kids find life lessons boring, fables were made because they are good stories that aren't boring but still teach a life lesson in the end.
Answer:
The threat to internal validity most likely to account for this change is <u>History</u>.
Explanation:
To understad the threats to internal validity during this research, the element that has to be considerate this case is history. The event in time that occure during the experiment, was the rising of the price of gasoline per gallon. Since the research had to do with determining attitudes toward the use of alternative energy, this event of the rising of the gasoline price, is a factor that may affect the validity of the investigation. Since this can defenetly modify the real position or previews position of the subjects towards the use of alternative energy. This specific aspect definetly changes the pretests done by the researcher.
