Reactions in the mitochondria convert O2 and small molecules in to ? * 1.CO2 + H2O + food
2.CO2 + H2O + ATP
3.CO2 + O2 +Hydrogen
4.ATP only

Wind energy is plentiful in regions with vast open spaces it is a non polluting renewable resource what could be an economic factor that makes the use of this resource less feasible then non renewable resource even in such regions

The body is protected against harmful flu viruses by

Archaebacteria use for movement. celia flagella pili cell walls