The is the part of the brain that holds the hemispheres together. medulla corpus callosum cerebrum reticular formation

the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.

answerall of the above;

i'm thinking 600 feet deep in one of the finger lakes.