Is it normal to have small ears?

yes

Explanation:

because maybe you inherited from your parent

Small ears indicate respect, discipline and affection. If the lower part of the ear is thick, such people are likely to be emotional. People having small ears will be shy and introverts. These traits will be more pronounced in persons having long and narrow ears.

Occurring only in about 0.76 to 2.35 per 10,000 births, this condition is exceptionally rare. All children born, share the most common complication associated with the malformation: reduced hearing.

im not intirely sure but i think the anwser is d relative humidity