Who showed that the basic building blocks for life could have formed from the gases found in earth's early atmosphere?
 

Read the excerpt from warriors don't cry. as we approached behind them, we could see only the clusters of white people that stretched for a distance of two blocks along the entire span of the school building. my mind could take in the sights and sounds only one by one: flashing cameras, voices shouting in my ears, men and women jostling each other, old people, young people, people running, uniformed police officers walking, men standing still, men and women waving their fists, and then the long line of uniformed soldiers carrying weapons just like in the war movies i had seen. which words create the mood in the excerpt? check all that apply.

Hurry 100 points consider the speakers in "the raven" and the speaker in "the song of wandering aengus."write two paragraphs to compare and contrast the voice in these two poems. how does the poet give the speaker in each poem a distinctive voice? what effect does this voice have in each poem?

Using context clues read the sentence, then use context clues to determine the definition of parameters. setting clear parameters, such as rules, guidelines, or instructions, people understand what is expected of them. what is the definition of parameters? which type of context clue is used in the sentence?