Three factors can limit the speed of photosynthesis - light intensity, carbon dioxide concentration and temperature. Without enough light, a plant cannot photosynthesise very quickly, even if there is plenty of water and carbon dioxide. Increasing the light intensity will boost the speed of photosynthesis.
Vinko Bogataj. Vinko Bogataj (Slovenian: /ËÊiËÅko bÉÉ¡aËtaj/; born 1948) is a Slovenian former ski jumper. Footage of him crashing featured on ABC's Wide World of Sports representing the Agony of Defeat. 1 Agony of Defeat jump.
Philadelphia Eagles' DeSean Jackson lies on the field after suffering a concussion. Over 100 years ago, American football stood at a crossroads. By 1904, the relatively young sport had already produced 18 deaths and 145 serious injuries.President Theodore Roosevelt-threatening to abolish the sport-convened key participants in the collegiate circuit to undertake a major overhaul of the rules of play.iven the speed at which the modern game of football is played-with rapid acceleration and deceleration in almost every tackle-tremendous amounts of energy are repeatedly transmitted to players' bodies and brains. While modern helmets are part of the solution, they may in some ways contribute to the problem.