B. It makes the most sense
Hope this helps pls mark brainliest
Answer:
The babies eye and hair color
Explanation:
The other options are things wrong with the babies health. Eye and hair color have nothing to do with health
The correct answer is biological.
Biology deals with the inner workings of our body - so, if something is the result of hormones and other physiological processes, then it will definitely be related to biology. The other options have more to do with the environment, rather than with the body itself.
Answer:
Microvilli, hope this helps!
Explanation:
Tania should tell her parents about her frequent headaches and other symptoms