Answer:
How traits/characters were passed down and inherited from parents to offspring.
Explanation:
1) potassium
2)Aluminium
3) Cesium
4) potassium
5) Beryllium
A.) Smell is a chemical sense.
B.) Odorant molecules dissolve in mucus before stimulating a receptor
C.) Olfactory receptors have hairs on the apical surface that respond to stimuli
the answer is Renin
