Carbohydrates and lipids are both sources of energy. The breaking of carbon and hydrogen bonds on carbohydrates and lipids release energy for use by the cells.
One difference between mechanical and electromagnetic waves is that mechanical waves need a medium to pass through (solid, liquid, gas). EM waves can travel through matter or though a vacuum. In regards to telecommunications, EM waves can be radio waves, these are used in TV's, phones, computers, radios. Mechanical waves somewhat relate to this since radios produce sound;so an EM wave would turn into a mechanical vibration inside a speaker then sound would be produced.
I would say all of the above
Is that an option?
Answer:
a nonpolar
Explanation:
not sure, 'cause English isn't my first language