Briefly draws attention to deviations from reciprocity and to the partial reversibility of many radiation induced phenomena, to the possible use of organisms in a state of abiosis as integral dose-indicators, to certain specially radiosensitive organisms and responses, and to questions of threshold.

These exarchies arose in the ninth century when the superiors of monasteries exercised pastoral care of faithful who belonged to churches dependent on the monastery.

The rush-hour trains are normally extremely busy.

Santal rebellion