A person is trying to solve the equation for the energy of a light wave: E=hcλ . She knows the values of h and c. What does the quantity λ represent? A.
frequency
B.
wave speed
C.
period
D.
wavelength

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?