How can you narrow down ideas for a topic?

Plz ! i genetic mutation occurs in a rabbits muscle cell this genetic mutation will be passed on to, a. the existing cells in the rabbits body. b. the cells that are next to the mutant muscle cell. c. cells that are produced when the mutant cell divides. d. the cells of the rabbits offspring.

Unit testactivelike sparkling stars strewn across the night sky. their brilliance catching the corner of my eye, making me slow down, just to look at them a little longer. in my awe of the sheer beauty of merely broken glass, i couldn't but thinkhow someone else's tragedycould be so beautiful to me. source: t., jennifer. "irony." teen ink. teen ink, n. d. web. cjuly 2011.the poem is an example ofexternal conflictinternal conflictdramatic ironysituational ironymark this and returnsave and exitsubmit

The rich natural resources made the sacramento valley a "garden of eden." permanent villages were established about 8,000 years ago. which choice combines these two sentences from paragraph two to achieve a coherent flow of ideas? a) the rich natural resources made the sacramento valley a "garden of eden" and permanent villages were established about 8,000 years ago. b) permanent villages were established about 8,000 years ago and the rich natural resources made the sacramento valley a "garden of eden." c) the rich natural resources made the sacramento valley a "garden of eden; " and so the permanent villages were established about 8,000 years ago. d) because of the rich natural resources which made the sacramento valley a ‘garden of eden,’ native americans established permanent villages there 8,000 years ago.