a water wave with a wavelength of 15 cm is moving with a velocity of 75 cm/s. What is the period?.How many waves pass through a given point in a minute?

The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.

The fuzzy edges of shadows are a result of  diffraction 

Hi im  doing the same thing u did to me  a black rooster mates with a white hen.  based on their genotypes, the chance that the offspring will be checkered is 100 percent.  what is the rooster’s genotype?   what is the hen’s genotype? the rooster genotype is  bb  bb  bb  bw  .  the hen’s genotype is  ww  ww  ww  bw  .