Pls help me with this question

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

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

What are the formed elements (cell or parts of cell) in blood and what are their functions ?