instruction:
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.
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.

question:
Question: Lana is noting that the wind lately has been very weak. Lana can now tell that the air pressures over the Earth's surface have had differences that are
Answer: lesser
answer:
Differences in air pressure over the surface of the Earth result in wind. The greater the differences in air pressures, the stronger the wind.

question:
Question: What happens to the rate at which waves move past a particular spot if Jim decreases the wavelength of a sound wave?
Answer: increases
answer:
This means that as wavelengths get shorter, more waves move past a particular spot in the same amount of time.