C) Ability to roll the tongue is inherited.
Length of hair is conditional upon the environment, not necessarily genetics.
Ability to play piano is taught not passed through genetics.
Appetite of a puppy depends on nutrition amount.
The linea alba is the band of connective tissue that separates the rectus abdominis.
Low silica content,thick and fluid,forms dark colored rock.
Answer:
abiotic and biotic
Explanation:
the abiotic components of any ecosystem are properties os the environment
I think c is the answer not sure though