What is the best example for biodiversity

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

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

What causes the phospholipids to organize themselves the way they do