The eardrum is a thin flap of skin that is stretched tight like a drum and vibrates when sound hits it.
The two main types of fermentation are alcoholic fermentation and lactic acid fermentation. In an alcoholic fermentation, the main product of this process is ethyl alcohol. Lactic acid on the other hand has lactic acid as its main product. When muscle cells run out of oxygen, lactic acid fermentation would commonly take place.<span> </span>
MRNA is ur answer hopefully
C.
6CO2 + 6H2O + Light -> C6H12O6 + 6O2
Light is needed as energy in order for photosynthesis to occur. Photosynthesis converts carbon dioxide and water into oxygen and glucose.