The correct answer would be
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Kerry starts to gather her books, pens, and papers together before the instructor is done speaking. She looks at her watch in an obvious way when the instructor is looking in her direction. Kerry is using Regulators to communicate.
Answer:
Explanation:
he presents reminded Esperanza of her papa's death. Why didn't Esperanza want to open up her birthday presents? ... Her papa had been killed the night before.
The powdered iron is magnetic, but the powdered sulfur is not. If they both form a mixture in a beaker at room temperature the iron retains its magnetic properties.
<u>Explanation:</u>
Mixing of iron with sulfur, No chemical reaction occurs. This a type of physical reaction so no changes occur.
The iron retains its magnetic properties. If this mixture is heated for a certain degree celsius.
Then it undergoes a chemical reaction. The iron mixed with the sulfur to form iron sulfide(FeS).