Which geographic conditions must be in place for rice to grow efficiently? -There must be a distinct difference in the climate.
-There must be access to clay soil.
-There must be access to railroads for transportation.
-There must be a reliable water source.

Cextra

The correct answer is c and edue to the facts: nobles were completely eliminated as well as the third estate which was the city dwellers or the bourgeois. the idea was that commoners should rule and after the king was removed from power as well as the nobles and the church, people started coming from all over the world to negotiate with this new governments rule. 

Iwould say d.  because that what people want to know if there are other life forms out there besides us..hope this ! : )