Physical signs : Headache
Emotional signs : Happy,guilty,
Behaviour signs : loss of interest, personality
The international conference on population and development was held in Cairo, Egypt in 1994.
Answer: The El Nino Southern Oscillation, a periodic warming and cooling of the surface waters of the central and eastern equatorial Pacific Ocean, is an ongoing cycle of long duration. That is, as far back as weather records go, there is evidence of this seasonal variation.
Explanation: