*Question*
The more acidic a solution is, the closer its pH value will be to 0  Having read the above passage, choose the right answer to the following question (choices are closer to 0 or farther away from 0? ):   Compared to a solution of acidic vinegar, would basic lye have a pH value closer to 0 or farther away from 0??
**Answer**
farther away from 0?

*Question*
Less massive objects also have less gravity than more massive objects.  Having read the above passage, choose the right answer to the following question (choices are higher or lower ):   The most massive objects have higher or lower gravity than less massive objects?
**Answer**
higher

*Question*
The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.  Having read the above passage, choose the right answer to the following question (choices are less or more ):   Mike is studying what humans eat. Bears are higher up the food chain than mosquitoes. Therefore, if humans were to eat bears, they would likely be taking in less or more levels of toxic metals?
**Answer**
more

*Question*
The higher the crests of a wave are, the greater the amplitude.  Having read the above passage, choose the right answer to the following question (choices are increases or decreases ):   If Jimbo is surfing and the waves begin to crest lower, what happens to amplitude of those waves increases or decreases?
**Answer**
decreases