Chemical formula tells us the number of atoms of each element in a compound. It contains the symbols of the atoms of the elements present in the compound as well as how many there are for each element in the form of subscripts.
Answer:
he feels Mr. Antolini's hand stroking his head. i think
Explanation:
The sentence that state the key idea or main idea of the article is:".Tenayuca worked to improve the lives of Mexican American workers." (Option D)
<h3>What is a main idea or central idea?</h3>
The idea around which other ideas revolve is called the main or central idea.
It is to be noted that Emma Tenayuca was a Fearless Mexican American labor activist. Because she helped to improve the lives of Mexican American workers, she was nicknamed "La Pasionaria de Texas"
Learn more about central ideas at;
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