Answer:
the waves have a trough
Explanation:
just took the test on edg.
Valency- it means the combing capacity if an element.
<span> radical- it is an atom, molecule, or ion that has unpaired valence electrons or an open electron shell.
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The answer would be "air, wood". Gases have the highest Kinetic energy and least Potential energy. Liquids have the 2nd highest Kinetic energy and 2nd least potential energy and solids have the least kinetic energy and highest potential energy.
Answer: D:wavelenght
Explanation: Students will understand that shorter wavelengths have higher frequency and energy.