Your friend Robert drives a fast car. The word "fast" is? a preposition, adverb, adjective

“i didn't know that cheshire cats always grinned; in fact, i didn't know that cats could grin.” “they all can,” said the duchess; “and most of 'em do.” “i don't know of any that do,” alice said very politely, feeling quite to have got into a conversation. “you don't know much,” said the duchess; “and that's a fact.” what is the effect of the short sentences on the dialogue? they make the dialogue smooth and serene. they make the dialogue lively and humorous. they make the dialogue formal and elegant. they make the dialogue into a song.

Which phrase from the poem "when you are old" leads the reader to infer that the subject was admired for her beauty by many, but only truly loved by him? a. "old and grey" b. "a little sadly" c. "their shadows deep" d. "with love false or true"

How does human environment effects biosphere