How did vast salt deposits develop in the Sahara?

here you go ;)

Explanation:

The inhospitable Sahara desert was the chief natural source of rock salt, either acquired from surface deposits caused by the desiccation process such as found in old lake beds or extracted from relatively shallow mines where the salt is naturally formed into slabs.

chlorofluorocarbons are released via: aerosol sprays and refrigerants.

question:  

the chart compares religious beliefs to us political party support.

religious beliefs and party support, 2012

this chart demonstrates that

a) more highly religious people supported the republican candidate, while more nonreligious people supported the democratic candidate.

b) more highly religious people supported the democratic candidate, while more nonreligious people supported the republican candidate.

c) more moderately religious people supported the republican candidate, while more nonreligious people supported the democratic candidate.

d) more moderately religious people supported the democratic candidate, while more nonreligious people supported the republican candidate.

answer: a.