Answer:
On the advice of a Dr. Chisholm, Helen and her father went to Washington to meet Dr. Alexander Graham Bell, who could help them find a teacher for Helen
Explanation:
We can see clearly from passage that the main information passed was that Dr. Chrisholm, who could do nothing about Helen's condition, advised them to meet Dr. Alexander Graham Bell who was in a better position to help Helen and her father. They yielded to the advice of Dr. Chrisholm and went to Washington to meet Dr. Alexander Graham Bell.
Answer:
B the diary of a woman crossing the prairie in a covered wagon during the 1800s
Explanation:
The BEST illustration of a primary research source is the diary of a woman crossing the prairie in a covered wagon during the 1800s.
This is because, a primary source gives a first-hand information about an event as it is old by the person who witnessed it.
This is opposite to secondary information where the person giving the information does not have first-hand experience about what he's talking about.
This kind of poetry is called a free verse if I remember correctly. Hope this helps!
Both inventions were done by teenagers at their times.
Both inventions claimed to help the environment: Boyan Slat's machine would clean up trash floating in ocean. Duro-Aina Adebola, Akindele Abiola, Faleke Oluwatoyin, and Bello Eniola proposed power generation from urine that would not create carbon monoxide.
Unfortunately both inventions were also challenged by more established scientists and engineers.