Need !
what explains why human eyes come in a variety of colors?
(a)multiple genes each have only one allele.
(b)different phenotypes result in different genes.
(c)many phenotypes have pairs of alleles.
(d)multiple alleles result in many phenotypes.

__1__ is a climate cycle where the temperature of the __2__ ocean changes because of movements of air and ocean currents. during this period, the trade winds in the south __3__ , causing the __4__ water to move from the __5__ region to the __6__ region. 1) el nino or the monsoon 2) atlantic, indian, or pacific 3) reverse, strengthen, or weaken 4) cold or warm 5) eastern or western 6) eastern or western

Why do carbohydrate molecules function so well as fuel for the body?

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.