Hello, please help I promise I give brainlest Please!
And It's plain easy!!

Over time the density of salt in surface waters can increase. What is the cause of this increase?

Stephanie wants to see what percentage of her employees' total working hours are spent working overtime. in the cell, enter a formula that divides sarah's overtime hours (cell c7) by her total hours worked (cell f7)

If you rub a balloon on a piece of fabric or carpeting and then hold it against your head, your hair can stand on end. use what you have learned in this lesson to explain why this happens.

Take a moment to consider other countries and their form of government. select a country that does not utilize the same form of democracy that the united states uses, identify the country you chose and compare their form of government to the u.s. how are the different types of government the same? how do they differ? which type of government do you think is more beneficial to it's citizen's?