Please help me only 29 and 30

What is the number of atoms in 3.54 mol s

What is the lowest number energy level where a d sublevel is found

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon