Answer:
REM Stage of Sleep
Explanation:
Stage 3 Sleep [ REM Stage ] is the deepest stage of sleep. It is most revitalising & refreshening up sleep. It is crucial to re energise brain.
In this stage : Respiration , heart rate increases, brain activity is high & vivid dreams may occur, body becomes immobile & it is difficult to wake someone up. There are slow delta waves & rapid eye movement.
It is a very short duration (3 - 8% ) of total sleep and its concentration keeps on decreasing with age.
Answer:
Deviance occurs in all societies and serves important societal functions.
Explanation:
Deviance is a term used to refer to individual behavior different from the behavior of a social group to which that individual belongs. This term often refers to bad behaviors such as crime and psychopathy, but according to sociology, deviance occurs in all societies and serves important societal functions.
Answer: Deforestation and Wetland degradation
Explanation:
The two human impacts of human economic activity on the environment are as follows:
1. Deforestation: The Sub- Saharan Africa is occupied with scanty bushes and trees in the forest area. The climate is hot and dry. The removal of bushes and trees has resulted in deforestation and desertification in the region.
2. Wetland degradation: The discharge of agricultural drainage into the wetland has degraded the quality of water in the wetlands in Sub- Saharan Africa.
