The chemist would like to study a leaf changing colour.i.e. about the reaction behind it.
Answer:
Little Rock
Explanation:
The Little Rock Nine was a group of nine African American students enrolled in Little Rock Central High School in 1957. Their enrollment was followed by the Little Rock Crisis, in which the students were initially prevented from entering the racially segregated school by Orval Faubus, the Governor of Arkansas.
Because they were immune to them.
Both the Indian and the African congress were really huge congresses that both enjoyed having huge influences and power over their respective nations. Both congresses were also known to hold the ideologies of peaceful revolutions against the oppressive rulers. They believed that violence was not the answer and that peaceful negotiations can be done. Both also fought to remove the class system or the class division in their respective countries. The two congresses also fought against prejudice with regard to race, gender, and most importantly, social class.