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.

[EX Q]: Question: Gina has longer fingernails than John. Who has more cells on their nails? 
 Answer: Gina
[EX A]: As the nail grows, more cells are added at the nail bed.

[EX Q]: Question: Mona is building a circuit. If she subtracts resistors in parallel what happens to the total resistance of the circuit? 
 Answer: increase
[EX A]: When we add resistors in parallel to each other the total resistance decreases and the current increases.

[EX Q]: Question: James stares at the volcano and saw the rocks exist because of the _____ temperatures. 
 Answer: low
[EX A]:
Temperature increases with depth inside the Earth, so melting of rocks is more likely to occur at greater depths.