The answer to this is C because humans don't have cell walls and if you are looking at an onion it has a cell wall because it is a plant.
the mass of the products in a reaction is always <span>the total </span><span>mass of the reactants</span>
Any change in allele frequencies in a gene pool is a mutation
V= velocity
λ= wavelength
f= frequency
v= λf
v= 25 x f
You'll need the wave frequency to complete this equation
