Answer:
Power was shared between a military chief and a chief who oversaw tribal affairs.(D)
Explanation:
Took the test in edge
Answer:
outside periods of REM sleep
Explanation:
NREM sleep is dreamless sleep consisting of stages 1-3(previously stage 1 through 4) and characterized by a decrease of mental activity. a state that lacks the visible rapid eye movements and twitches(REM sleep) , and exhibiting a different EEG( electroencephalographic) pattern than REM sleep. Here the sleeper is still,breathing,brain waves and heart rate is slow, and blood pressure is low.
Answer:
Break the hydrogen bond in the water molecular
Explanation:
Water molecule are held together by hydrogen bond which makes the water surface to act as an 'elastic skin' for the water strider to be able to float. Detergent serves as a surfactant which breaks the water surface by disrupting its hydrogen bonds thus making the water strider to sink