This is a bit subjective because this particular work is difficult to classify, but in general many would agree that it is a thematic work of documentation.
Answer:
The tone of "The Grandfather" is writing in a simple style, it's a style using his own experiences to teach others, a helping caring tone.
Explanation:
In “The Grandfather”, Gary Soto presents the feeling of what everyday life would be like when living in a Hispanic community. Soto is able to do this with a naturalistic writing style, writing in a simple style, and using his real life experiences as a basis.
The tone - sentence b made it seem more secretive with its word choice (stranger, crept) the meaning is the same - in both a person is moving towards the door but the tone is more mysterious in the second sentence
Because it helps inventors protect their designs from getting copied or stolen
The answer to the question is The Milky Way Galaxy