(Question)
Answer the question based on the following text. Question: When we get to the bottom of a mountain the air is more dense or less dense? Text: At higher elevations, there is less air to press on a given area.
(Answer)
more dense

(Question)
Answer the question based on the following text. Question: Rupert is evaluating the impact of factories on the natural resources of developing nations. If Nation X added 100 new factories, it will decrease or increase demands on their natural resources? Text: Developing nations will also increase demands on natural resources as they build more factories.
(Answer)
increase

(Question)
Answer the question based on the following text. Question: The shorter the telescope stays focused the more bright or less bright the stars appear? Text: The longer the exposure, the more light that the telescope can gather to make the image.
(Answer)
less bright