The science of population size, distribution, and composition is defined as:

c

explanation:

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles

its probably to later but whats the question

i got you i did it ya know what it is just needing to fill this in for a quick task!