I inferred you are referring to the story entitled 'Hidden Figures'.
Answer:
She experienced prejudice and racism
Explanation:
Remember, when she was sent to the East Side to work on a project alongside white members of staff, they expressed racist remarks on her when she asks the location of the bathroom.
In fact, they even laughed at her, saying they don’t know where the "Colored bathroom is". Thus, Mary was segregated in her workplace simply because she had a different skin color.
Answer:
vibrations of the string
Explanation:
From the given scenario, what is responsible for the generation of sound waves from Tadeo's violin is "vibrations of the string."
This is because the vibration of the string is caused by three main factors which are
1. The tension of the string
2. The thickness of the string
3. The length of the string.
All of them work together to generate a sound wave from his violin.
C) Universal Ruler
Great question
The first, second and third Battle of Ypres