Carbon Cycle Chemical Reactions Involved: Photosynthesis: Air and water molecules and the energy from the sun to produce a simple sugar such as glucose and oxygen molecules as a by product. During photosynthesis plants use carbon dioxide and produce oxygen.
Similar to shore power for ships, a ground power unit (GPU) may be used to supply electric power for an aircraft on the ground, to sustain interior lighting, ventilation and other requirements before starting of the main engines or the aircraft auxiliary power unit (APU).
  In the power distribution box in the engine compartment (Ford recommends   disconnecting your battery)   The # 5 relay is for the fuel pump and in location # 9 o â¦ f the PD BOX there is a 20 amp   mini fuse for the fuel pump relay and RAP module on a 1998 Ford Explorer.he high and low cooling fan relays in the 98 Ford Escortr are loacated in the CCRM   (Constant Control Relay Module) which is located on the base of the drivers side strut â¦ tower underneath the air filter module. It is a small box with quite a number of wires running into it.