Why producing 1 kg of beef requires much more water than growing 1 kg of potatoes?

Meat production requires a much higher amount of water than vegetables. IME state that to produce 1kg of meat requires between 5,000 and 20,000 litres of water whereas to produce 1kg of wheat ...

Explanation:

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.

answer: b

coz red blood cells marrow and circulates the body for 120 days.