PL HELP If you wanted to explain how trees use photosynthesis to produce oxygen, what type of visual aid would you use? a chart showing how many trees it takes to provide oxygen for an entire city a demonstration of photosynthesis, using a house plant a diagram showing the stages of photosynthesis and the tree parts involved

Read the excerpt from martin luther king jr.’s “i have a dream” speech. the negro is still languishing in the corners of american society and finds himself an exile in his own land. and so we’ve come here today to dramatize a shameful condition. the emotional connotation of the underlined word king express his a. indecision. b. hopefulness. c. spirituality. d. outrage.