Earth's oceans contain many dissolved elements like calcium, sodium, and chlorine. these elements plus several others combine to form the salts in the oceans. what is a major source of calcium and sodium in oceans? a) air pollutants b) gases from active volcanoes c) minerals dissolved in aquifers d) weathering and erosion of rocks

Which compounds have the empirical formula ch2o? a.c2h4o2 b.c3h6o3 c.ch2o2 d.c5h10o5 e.c6h12o6

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

How does the motion of particles in a gas change as the gas cools