Respuesta :

Answer:

D

Explanation:

f California celebrity jazz historian Kristin

because i know it is

Answer:

The answer is

Option D.) Be seen by the human eye

Altogether:

Observable behavior refers to a type of behavior that can be seen by the human eye.

Explanation:

See the screenshot/image attached below! :^)

Hope this helped! :^)

7272033Alt

Ver imagen 7272033Alt