To determine which detail best supports the answer to Part A, we need to consider the main focus of Part A. If Part A relates to the significance of Wangari Maathai’s contributions, the detail that emphasizes her pioneering role and impact would be most relevant.
The strongest option is:
“In 1971, she became the first woman in east and central Africa to earn a Ph.D.; her doctorate is in biological sciences.” (paragraph 16)
This detail highlights her groundbreaking achievement and educational background, supporting the significance of her role as an influential figure in environmental activism and women’s rights.