Ahydrocarbon has a molecular formula c3h8 what class does it belong to

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

Monitor and apply fix up strategies

How does secondary succession differ from primary succession?