Answer:
add more points and A is the answer 2020 edg.
Explanation:
I can’t answer this because I can’t see the diagram. Comment on this once you posted it so I can help u
Answer:
caffeine.
Explanation:
When Xi consumed several cups of coffee to stay wake for another hour.Coffee contains caffeine.Since caffeine is psychoactive drug and it is legal also unlike other psychoactive drugs.You feel more energetic.It acts as a central nervous system stimulant and when it reaches the brain it causes alertness and you will feel more awake.But Xi consumed more than he needed hence he was not able to go to sleep.
Segregation. The Supreme Court's decision in Plessy v. Ferguson (1896) upheld state-mandated discrimination in public transportation under the "separate but equal" doctrine.
I hope this helps you.
