Police officer roquet suspects that the driver of a car is driving under the influence of alcohol. the officer pulls the driver over and administers a field sobriety test, asking the driver to stand on one leg. this test is performed to evaluate the driver's balance, because the is one of the first structures in the brain to be affected by alcohol.

Cerebellum

Explanation:

Most notable signs of drunkenness are:

The emphasized activities are coordinated by the cerebellum which is responsible for motor movements. As these are the first signs, it indicates the cerebellum is one of the first structures affected by drunkenness from alcohol.

the answer would be c. sediment buildup on continental slope

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answer; biological;