Which option correctly replaces X and Y?
please help

The Miller-Urey experiment resulted in the formation of several X molecules that are the basis for Y.

X: amino acid

Y: proteins

X: protein

Y: organs

X: lipid

Y: cell membranes

X: carbohydrate

Y: sugars

Ryan rears sheep for their wool. recently the quantity of wool that ryan gets has diminished. this is because the new sheep are not that wooly. ryan should add which nutrient to their feed so that the sheep becomes more wooly? a.cornb.ironc.cottonseedd. vitamin a

What type of competition exsist between two species. turtles and fish

Will give ! ! widentify the advantages and disadvantages of renewable and nonrenewable energy resources.