A sound wave is a wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.
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Answer:
Fuels with large hydrocarbon molecules are more viscous than fuels with small hydrocarbon molecules
Explanation:
Viscosity refers to runniness of a liquid. Fuels with large hydrocarbon molecules are more viscous as longer chains of large hydrocarbon molecules are easily entangled. Fuels with small hydrocarbon molecules are comparatively viscous as shorter chains of small hydrocarbon molecules are less likely to become entangled.
MRNA is the nucleic acid that moves it. I remember it well because the "m" in mRNA stands for messenger. It sends a message to the ribosome.
