Astronomy Earth science Energy Flexibility 
Mrs. Harris Teaches
JANUARY 14, 2020
Following the North Carolina Essential Standards for Earth/Environmental Science , I have four sets of flashcards. I really poured over the standards when creating this earth science exam review. Focus on Understanding Concepts – Focus on science CONCEPTS first and vocabulary second.
Futurum
MAY 11, 2022
This gives each element a unique set of energy levels – a signature that shows up when X-rayed. When an X-ray beam interacts with a sample of brain tissue, only those elements with an excitation energy at or below the energy of the X rays will exhibit fluorescence.
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