How biological systems differ from chemical systems when it comes to equilibrium

Ryan rears sheep for their wool. recently the quantity of wool that ryan gets has diminished. this is because the new sheep are not that wooly. ryan should add which nutrient to their feed so that the sheep becomes more wooly? a.cornb.ironc.cottonseedd. vitamin a

Compare the composition of the moon's surface with the composition of the earth's surface.

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?