a.What does “seven earths” as implied in verse 12 surah at-Talaq actually mean?

Question

b.Why does the Quran use only a singular noun(al-ardhu) when describing the
earth(or seven earths) in this case whereas when describing seven heavens a
plural noun (as-samawat) is used?

c.Is the word as-samawat introduced by the revelation of the Quran i.e. it was
not known to be used before(maybe the Arabs only used the word as-sama’ before
the Quran was revealed)?

Answer 1

For a -
http://www.google.com/search?sourceid=chrome&ie=UTF-8&q=%22seven+earths%E2%80%9D+as+implied+in+verse+12+surah+at-Talaq
Skip the first link, and read from several others.

For b and c, you will need to perform searches:
1. Go to http://www.google.com

2. Type in use of "al-ardhu" and "as-samawat" (or whatever search terms you need). Press Enter.

3. Read different search results until you find what you need.

4. Re-search with different search terms if you don't find all you need.

Answer 2

It's quite easy to respond to your first question. The earth (singular) IS but the 7 heavens (plural) ARE.

Sra