The statements that correctly describes the function of each lichen part is that algae provide food, bacteria provide nitrogen, and fungi provide the structure. Lichen is a symbiosis between different organisms; that is fungi, an algae, and cyanobacteria. The dominant part is the fungus which gives the lichen most of its characteristics such as thallus shape and the fruiting bodies.
Cut flowers placed in sugar water stay fresh longer than flowers placed in regular water
I would say either A or B