Driverless cars would require wireless computer technology on every mile of road they travel. This will allow traffic and construction signals to communicate with the cars. Vehicles could also communicate with one another.

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.

d. organisms have cells with different shapes and functions.

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.