B. when the immune system attacks the body's own cells
They are all part of the digestive system, they all break down food, they all have enzymes
Jupiter’s atmosphere is composed mostly like Earth .Jupiter experiences auroras<span> near its northern and southern poles. But on Jupiter, the aurora activity is much more intense and hardly ever stops. </span>
Answer:
B.
Explanation:
A recessive gene is a gene that can be masked by a dominant gene.
