Each of 7 students reported the number of movies they saw in the past year. Here is what they reported. 16,17,17,13,9,7,4 find the mean number of movies that the students saw

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

In pqr m< p=60 m< q= 30 and m