Explanation:
I think the age of exploration or the cold war
In research studies, when you execute scientific experiments, you always have the independent and dependent variables. Dependent variables are the parameters you want to measure or investigate. Independent variable, on the other hand, are parameters or events that you control or set. In this case, the dependent variable is the amount of collisions made by the two groups.
Answer:
they made a door that looked like a book shelf so the police and stuff wouldnt suspect anything but they had to stay very quite so there cover was not blown .....in the end they got busted anyway so.....
Explanation:
The primary responsibility of air traffic controllers is the separation of aircraft. They control traffic in and around airports and in the terminal and en route airspace in between. Controllers speak directly with pilots, notifying them of traffic or weather in there vicinity.
You did not name the years, so I can not answer it if it is multiple choice
