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Norms can change according to the environment, situation, and culture in which they are found, and people's behavior will also change accordingly. Social norms may also change or be modified over time.

People's values tend to change over time as well. ... Humanist psychologists propose that people have an innate sense of values and personal preferences that tends to get buried under layers of social demands and expectations (social morals).

12 inches

Step-by-step explanation:

The circumference of a circle = 2nr

n = 3.14

r = radius

since we are given the circumference of the circle, the radius can be determined from it

75 = 2 x 3.14 x r

75 = 6.28 x r

Divide both sides of the equation by 6.28

75 / 6.28 = r

r = 11.9 = 12 inches