Balance Equation

N2+H2>NH3

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?

In a ball-and-stick molecular model, what do the sticks represent?