2011 â The first of its kind in North America, EdgeWalk is the worldâs highest full circle hands-free walk on a 5 ft (1.5 m) wide ledge encircling the top of the CN Towerâs main pod, 356m, (1168 ft, 116 stories) above the ground.
Why does cellular respiration add carbon dioxide to the atmosphere but photosynthesis does not? During photosynthesis, carbon dioxide and water are used to produce sugars and oxygen. During respiration, the sugar glucose and oxygen and used to produce carbon dioxide and â¦water.  Resource: Science Explorer. Prentice Hall Life Science Text Book. No copyright intended.
A standard solution of resazurin is prepared by dissolving one tablet in 50ml of sterile glass-distilled water. 1 ml of this solution should be added to 10ml of milk for each test.Solutions must be made freshly each day. Resazurin is added to milk, the bacteria present take up oxygen and change the colour of the dye from blue-purple to. pink.The speed of the change indicates the bacterial content. The product has been tested for conformity with the requirements of the Ministry of Agriculture, Fisheries and Food.esazurin is added to milk, the bacteria present take up oxygen and change the colour of the dye from blue-purple to. pink. The speed of the change indicates the bacterial content. The product has been tested for conformity with the requirements of the Ministry of Agriculture, Fisheries and Food.