Askier at the top of a mountain is kinetic or potential

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

What is the percentage of hydrogen in nitrogen trihydride

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