Which of the following is the best forecast for Des Moines, Iowa?

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml