Q: Read the passage below and choose the right answer to the following question (choices are wool or cotton ):  The more dense the medium, the slower the light moves.   If Mona shines a light through both wool and cotton and determines that cotton is less dense then wool, which material will the light move faster through wool or cotton?
A: cotton


Q: Read the passage below and choose the right answer to the following question (choices are cleared or kept the same ):  More people also means more clearing of land for agriculture and development.   When people leave an area what happens to the land cleared or kept the same?
A: kept the same


Q: Read the passage below and choose the right answer to the following question (choices are increases or decreases ):  As blood glucose levels decrease, less insulin is produced.   If Milo stops eating for awhile and his blood glucose decreases, what happens to the amount of insulin he is producing increases or decreases?
A: decreases


Q: Read the passage below and choose the right answer to the following question (choices are go up or go down ):  A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.   If you are able to remove greenhouse gases the temperature will go up or go down?
A: go down