Determine the direction and magnitude electric field at the point P. The charges are separated by a distance 2a, and point P is distance x from the midpoint between the two charges. Express your answer in terms of Q, x, a and k.​

an obstruction

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).

e/c, where e is its total energy

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.