Which of the following is an example of an inference? I saw 6 students running in the hallway.
It must be time to buy new tires.
I hear a dog barking.
I smell cookies baking in the oven.

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.