What is the etymology of a word? its history and development its pronunciation and part of speech its synonyms and antonyms

Which is a text clue that readers understand the theme of valuing all life in "birdfoot's grampa”? a birdfoot becomes impatient with his grandfather. b grampa walks into the grass to release the toads. c grampa just smiles when birdfoot argues with him. d birdfoot notices the rain around his grandfather’s head.

What style should a speaker use when preparing a speech for his or her school's parent teacher association? a. excited b. casual c. strict d. formal

In a group discussion, which statement most clearly uses evidence to support a conclusion? a) the author makes some good points, but i feel that he’s ultimately biased. b) the author proves that he’s biased when he uses terms like “silly” and “stupid”. c) the author obviously hates the way fast food tastes, which is why he’s negative. d) the author first criticizes fast food, and then goes in to criticize junk food.