Answer:
The correct answer is B) has just entered REM sleep
Explanation:
Cliff is hooked up to an EEG in a sleep lab. He has been asleep for just over an hour when his EEG starts to show low amplitude, irregular wave patterns. Cliff’s hands and feet begin to twitch, and his eyes begin to dart back and forth under his eyelids. The researcher who is monitoring Cliff’s sleep can conclude that Cliff has just entered REM sleep
1.heredity
2.land
3.conquering
4.buying
Answer:The Huang He was isolated from other places and people by its geography.
Explanation:
A
The answers Operant behaviors