What are the functions of the digestive ,excretory respiratory, circulatory and lymphatic systems and how do they maintain the bodys homeostasis ?

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

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