Answer:
She developed hand gestures, to me it was almost a simpler version of sign language.
Explanation:
By age 7, Keller had developed nearly 60 hand gestures to communicate with her parents and ask for things. However, she was often frustrated by her inability to express herself. With the help of her teacher, Anne Sullivan, Keller learned the manual alphabet and could communicate by finger spelling.
The answer is A i believe.
I believe that this definition fits the category of "ecological diversity."
I hope this helps!
It would mean a lot to me if you could mark me as brainliest :-)
Anything possibly from what they think they understand from the excerpt