According to the map above, which language family is most commonly used on the european continent? a. indo-european b. nilo-saharan c. sino-tibetan d. altaic

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.

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.