<span>There is an organ in the brain sensitive to light changes, which then affects our sleepiness.
This sensitivity to light changes will determine our response to melatonin that influences our level of 'tiredness'.
The more melatonin that we have in our body, the more likely we feel sleepy and fall asleep.</span>
D
“Francis Sumner, PhD, is referred to as the “Father of Black Psychology” because he was the first African American to receive a PhD degree in psychology. Sumner was born in Arkansas in 1895.”
Answer:
why have former colonies adopted democratic ideas?
Explanation:
former colonies believed that all people should be able to choose their own government
Answer:
same elements in their structure
Explanation: