Approximately how long ago did the Neolithic Revolution begin? ten thousand years ago
fifty thousand years ago
one hundred thousand years ago
five hundred thousand years ago

When a nation depletes its natural resources, it often experiences rapid decline because it:

One day as your professor is driving to work, another driver runs through a red light and hits his car. the professor is shaken up but survives the accident. however, the next time he starts to enter the intersection, he becomes nervous and fearful. soon, he starts going to work via another route to avoid the intersection even though this route adds twenty minutes to his commute in each direction. according to the principles of classical conditioning, why does the professor become scared of the previously harmless intersection? what can he do about this, as going via other route is very time consuming? be specific. break down the situation into its parts and show how the principles of learning apply.

Under president reagan, the united states began to develop the strategic defense initiative, nicknamed "star wars.” what was the goal of that plan?