Nuclear energy produces radioactive waste
A major environmental concern related to nuclear power is the creation of radioactive wastes such as uranium mill tailings, spent (used) reactor fuel, and other radioactive wastes. These materials can remain radioactive and dangerous to human health for thousands of years.
Are plagiarizing their work I think.
Context clues are the clues that are given by the author to the readers to try and understand meaning of difficult words in context to the text.
<u>Explanation:</u>
Context clues are the hints which are given to the readers of the text by the author to try and understand the meaning of the difficult words keeping in mind the context of the text.
The clue may appear in the same line itself in which the word is. Just because the vocabulary that we gain comes from the reading that we do, we must take advantage of the context clues while we are reading to improve our vocabulary.