In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Example Input: Question: Sarah ate a piece of shark meat for dinner, Sarah's levels of toxic metals have 
 Answer: increased or
Example Output: The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.

Example Input: Question: Rich applies a solution to the dish that increases the turgor pressure of the guard cells he is studying. The stomata 
 Answer: open
Example Output: The increase in turgor pressure of the guard cells results in the opening up of the stomata which results in increased transpiration.

Example Input: Question: Ian sees an object with few colliding particles, and he compares it to another object with few colliding particles. Which is true about the objects? 
 Answer: the object with many colliding particles has a lower concentration of particles
Example Output:
At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.