You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

[Q]: Paragraph: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
Question: DJ has a solution that he adds particles to. The solution is now a _____ concentration.
Choices: A)higher
B)lower
[A]: higher

[Q]: Paragraph: The density of the atmosphere decreases with an increase in the height above sea level (altitude).
Question: Yolanda moved to Florida where it is at sea level. The atmosphere here is considered
Choices: A)dense
B)thin
[A]: dense

[Q]: Paragraph: 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: In tornadoes the less differences in air pressure cause _____ winds.
Choices: A)lesser
B)stronger
[A]:
lesser