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: The stratosphere contains the ozone layer, the temperatures increase as altitude increases.
 Question: Tina flew lower and lower into the stratosphere. The temperature of her ship 
 Choices: A)increases 
B)decreases
[A]: decreases


[Q]: Paragraph: As the distance between the objects increases, the force of gravitational attraction decreases.
 Question: Would an astronaut on the surface of the Earth experience 
 Choices: A)less gravitational attraction to the Earth than an astronaut floating five million miles away from the Earth 
B)more gravitational attraction to the Earth than an astronaut floating five million miles away from the Earth
[A]: more gravitational attraction to the Earth than an astronaut floating five million miles away from the Earth


[Q]: Paragraph: Water density increases as salinity and pressure increase, or as temperature decreases.
 Question: By pouring a pound of salt into a bucket of fresh water, could you cause the density of the water to 
 Choices: A)increase 
B)decrease?
[A]:
increase