It must be a mixture, because the ingredients can be separated. You can precipitate sugar from water, there's no chemical reaction involved. I actually made lemonade pops once and the lemon juice and sugar comes out of solution as the water freezes.
A periodic wave transfers energy.
The AU ... Astronomical Unit ... used to be defined as the average distance between the Sun and Earth during the year.
Now it's defined as 149,597,870,700 meters exactly.
Answer:
the ability to do work.
EXPLAINATION: .
in other words "the potential for causing changes" or "energy is the cause of any change" or "a work that a certain force *eg: gravitational* can do.
<em><u>sorry</u></em><em><u> </u></em><em><u>if</u></em><em><u> </u></em><em><u>this</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>not</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>that</u></em><em><u> </u></em><em><u>you</u></em><em><u> </u></em><em><u>wante</u></em><em><u>d</u></em><em><u> </u></em><em><u>but</u></em><em><u> </u></em><em><u>I</u></em><em><u> </u></em><em><u>couldn't </u></em><em><u>under</u></em><em><u>stand</u></em><em><u> </u></em><em><u>your</u></em><em><u> </u></em><em><u>question</u></em><em><u> </u></em><em><u>that's </u></em><em><u>why</u></em><em><u> </u></em><em><u>I</u></em><em><u> </u></em><em><u>wrote</u></em><em><u> </u></em><em><u>what</u></em><em><u> </u></em><em><u>I</u></em><em><u> </u></em><em><u>understood</u></em><em><u>.</u></em>
A warm room. sound travels faster in places with more excited molecules.