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.
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Question: Question: Mary melts a 1 pound chocolate bar and 1 pound of chocolate chips in two pots. Which melts first? 
 Answer: chips

Answer: It would be hard to get a big chunk of chocolate to dissolve in your milk or hot water. Maybe you could make hot chocolate from some smaller pieces like chocolate chips, but it is much easier to add a powder to your milk. This is because the smaller the pieces are, the more surface area they have.


Question: Question: After a car accident, Carla gained a lot of blood. At the hospital, the doctors tell her that her blood pressure is now 
 Answer: increased

Answer: If blood volume in the body decreases, blood pressure decreases.


Question: Question: Jason fills up a balloon with helium. After a while, he decides to fill a smaller balloon with the helium with the balloon. The gas in the smaller balloon will have a density that is 
 Answer: higher

Answer:
If we take a certain amount of gas from one container and place it into another, larger container, the gas expandsto fill the larger container. The same mass of gas is now in a larger volume, the gas now has a lower density.