A tithe barn was a type of barn used in the Middle Ages for storing the tithes - a tenth of the farm's produce which had to be given freely to the church.
There are many surviving examples of medieval tithe barns in England:
There are still many examples of tithe barns around England.
... label to follow the fate of oxygen atoms during photosynthesis.
Light-dependant reaction
The first stage of the photosynthetic system is the light-depend ...