A green pigment(chlorophyll) is present in the leaf to increase  light absorption ad thus rate of photosynthesis increases.    4. The leaf has large networks of vascular bundles to richly supply  the leaf with water(xylem) and transport food to other parts of the  plant(phloem).he Chlorophyll is in the top palisade layer closer to the light so it can absorb lots of light energy for photosynthesis. The upper epidermis is also transparent which also helps the light to reach the chlorophyll. + 17 others found this useful.
According to the THX standard, a 50 TV is optimally viewed from 6 to 7 feet away. A 60. TV is optimal at almost 8 feet. 70 is recommended at almost 10 feet and 80 and up even further. You start getting any bigger with your TV screen size and you might not have the space for your couch to go back far enough.
Worldâs Biggest TV is a Custom-Made, $1.6 Million 370-Inch Monster. A British company has created the world's biggest TV, leapfrogging the previous champ by almost 20 feet. The Zeus, from Titan Screens, measures a full 370 inches diagonally â and costs well over a million bucks. The number doesn't give an adequate estimation of the screen's size, though. Think about it this way: picture an elephant.