How does this diagram need to be filled out?

According to the article why is salmon is pink

Answer asap explain your answer read the explicit message of the "rain barrels" video: you can use water from your rain barrel for a lot of different things around the home and garden. which is the best textual evidence to use to support this message? i use it to fill my fish tank, even to wash the car if you want to. so not only is the rain barrel water free, but it’s also free of chlorine and minerals. a rain barrel is a small investment for big dollar and environmental benefits. one of the benefits of a rain barrel is it holds that first bit of rain that’s coming off the roof or your driveway and prevents it from running into streams and causing erosion from high flows of water.

Below is the last stanza of a poem, "dover beach," written in 1876 by matthew arnold. ah, love, let us be true to one another! for the world, which seems to lie before us like a land of dreams, so various, so beautiful, so new, hath really neither joy, nor love, nor light, nor certitude, nor peace, nor for pain; and we are here as on a darkling plain swept with confused alarms of struggle and flight, where ignorant armies clash by night. which of these statements best describes the remedy arnold proposes for the world? a. look to your dreams for answers to life's questions. b. our faith in each other can shelter us from deceptive chaos. c. in this deceptive world, ignorance requires faith. d. the world may end, but love conquers all.