Answer:
Crust
Explanation:
The rigid outermost layer of Earth is called the crust.
The answer is: Molecule and Organ system. Hope this helps!
Answer:
The birds will no longer molt brown feathers for white ones.
Explanation:
Over time the birds with white feathers will slowly die off (mostly dude to predators), and over time the birds will likely no longer have white feathers, and they will no longer molt from brown to white and white to brown. The feathers will likely stay brown year round.
