Please capitalize where necessary: first there is the great lakes system.
A: First there is the Great Lakes system.

Q: as a child, he noticed the habits of animals and what they did when they were sick or injured.

A: As a child, he noticed the habits of animals and what they did when they were sick or injured.

Q: during the course of the meeting the children are eager to voice their ideas of ways in which they can choose the good.
A: During the course of the meeting the children are eager to voice their ideas of ways in which they can choose the good.

Problem: this will affect both the severity of the tinnitus symptoms and the length of time the person experience the symptoms.
Can you repeat this sentence, but capitalize it?
Answer: This will affect both the severity of the Tinnitus symptoms and the length of time the person experience the symptoms.

Text: in summer, with one jump, they could get to each other; but in winter they were obliged first to go down the long stairs, and then up the long stairs again: and out-of-doors there was quite a snow-storm.

Correct capitalization: In summer, with one jump, they could get to each other; but in winter they were obliged first to go down the long stairs, and then up the long stairs again: and out-of-doors there was quite a snow-storm.

Please capitalize where necessary: the greatest interest among the games are ball games. strange as it is football, basketball, and volleyball at the most popular games.
A:
The greatest interest among the games are ball games. Strange as it is football, basketball, and volleyball at the most popular games.