D. The subscript 2 indicates that two atoms of aluminum are present in the substance.
<u>Explanation:</u>
Actually, the formula of alumina is Al₂O₃
The subscript 2 tells us that there are 2 Al (Aluminum) atoms, and the subscript 3 says that there are 3 oxygen atoms, so D is the accurate statement.
Choice A is wrong as 3 is not the coefficient, and it is a subscript.
Choice B is wrong since the subscript 2 meant for the aluminium atoms, and not the oxygen atoms.
Finally, choice C is also wrong since the symbol Al refers to the metal aluminium, and not the oxygen.
I think the most important reason to reply on evidence in a discussion is for the evidence to support your opinion about something.
Ex:
Your having a disagreement with someone about a question. And you both have evidence that help support your opinion. Those reason help you think that, that's the answer
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<em>I Hoped That Helped. </em></h3><h3>
<em>I Hoped That Helped. Have a Good day!</em></h3>
Answer: I think it might be D
Explanation: seems like the right one
Answer:
B. Humans tend to be careless in their treatment of the environment and unaware of the consequences of their actions.
Explanation:
According to a different source, this question refers to the story "A Sound of Thunder." In this story, the main character travels to the past through the use of new technology. However, he is warned not to touch or alter anything, besides the dinosaur that he is meant to hunt. Despite these warnings, the protagonist kills a butterfly, and this action changes the future. The theme of the story is that humans tend to be careless in their treatment of the environment and unaware of the consequences of their actions.