Humans have 5 stages ofor sleep, stages 1,2,3,4,5 . They don't really have specific names , but for example stages 1 and 2 are typically characterized as "light sleep" Stages 3 and 4 are "Middle sleep" and part of 4 and 5 are REM. Part two of your question is REM (Rapid Eye Movement) which occurs in stages 4-5.
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Answer:
False
Explanation:
It is the second longest, only exceeded by Alabama.
The four causes of conflict are: differing aims and methods, competing or disparage goals, differences in philosophies and personality conflicts.
Answer:
A. TRUE
Explanation:
OER is applied for anything that enables, assists and helps students to master, understand and retain course concepts.
Also, if the materials are available in the public domain, or if it carries Creative Commons or similar open copyright status, then it is OER.