In writing prose, how can you make sure that readers have a clear understanding of your meaning?

Which group or words is not a phrase? a.) leaving behind the dog b.) because she smiled at me c.) smashing into a fence d.) before the first test e.) pushing the sofa

What is the best definition of detonation a.) the meaning of the word in a different language b.)the dictionary meaning of the word c.) the additional meaning that comes from the feeling one gets from a word d.) the meaning of irony

According to the riddle of the rosetta stone, what problem did both jean-francois champollion and sylvestre de sacy face in their attempts to decipher the writings on the rosetta stone?