Background images can be used as visuals for visual learners. You can really use them to your advantage and really use them to explain your point. Say your talking about deforestation, you could put up a picture of a beautiful jungle and a picture of a deforested jungle to prove your point
depends on the kind of snadwitch
D) university is your best answer.
People who enter graduate program's generally come from college & university, where the school's rank relatively high. Of course, it still depends on the student & his/her grades.
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Because every county has a different way of believing the same things like Islam the people are *muslim* but the basically believe the exact same thing as Jews and Christians.
I hope I helped alot :p