Can anyone tell me what is bioluminescence is?

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?

What is the neutralization reaction

Which of the following statements is true? an atom consists of protons, electrons, and neutrons. an atom consists of protons and neutrons. an atom consists of electrons bonded to one another. an atom consists of protons bonded to one another.