Read the passage below and choose the right answer to the following question (choices are decrease or increase ): With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH. If Jim wants to raise the pH of his solution he should do what to the concentration of hydrogen ions inside of it decrease or increase?
decrease

Read the passage below and choose the right answer to the following question (choices are increase or decrease ): Breast cancer is rare in teens but becomes more common as females get older. As Betty gets older her chances of contracting breast cancer increase or decrease?
increase

Read the passage below and choose the right answer to the following question (choices are less or more ): A: As the car approaches the radar gun, the reflected microwaves get bunched up in front of the car. Therefore, the waves the receiver detects have a higher frequency than they would if they were being reflected from a stationary object. The faster the car is moving, the greater the increase in the frequency of the waves. When waves in the ocean go slow there will be less or more?
less

Read the passage below and choose the right answer to the following question (choices are greater or smaller ): The more carbon atoms a hydrocarbon has, the greater the number of isomers. If Jim is comparing hydrocarbons and he finds one that has more carbon atoms, the number of isomers that hydrocarbon contains is greater or smaller?
greater