In plants, photosynthesis occurs mainly within the leaves. Since photosynthesis requires carbon dioxide, water, and sunlight, all of these substances must be obtained by or transported to the leaves. [ Carbon dioxide is obtained through tiny pores in plant leaves called stomata. Oxygen is also released through the stomata. Water is obtained by the plant through the roots and delivered to the. leaves through vascular plant tissue systems. Sunlight is absorbed by chlorophyll, a green pigment located in plant cell structures called chloroplasts.
Super Bowl XLIX, a thrilling contest that came down to an unbelievable interception in the fourth quarter, has become the most watched show in television history. According to numbers released by the ratings agency Nielsen, 114.4 million Americans tuned in to watch the Patriots beat the Seahawks 28 to 24 on Sunday.
Super Bowl Dethrones âM*A*S*Hâ as Most-Watched Show in U.S. History. âIt was going to happen at some point,â said Sean McManus, the president of CBS News and Sports. âI loved âM*A*S*Hâ and watched it all the time. But all of us in the industry are relieved that we donât have to hear that the Super Bowl was the second- or third-highest-rated broadcast in history, three million behind âM*A*S*H.â â.