Samuel is a white christian minister in 1830. like most of his contemporaries, he believes in the biblical "curse of ham." this means that when samuel sees an african american, he sees:

Children begin to use tools at about what age? a. 18 months b. 2 years c. 1 year d. 6 months

Which of the following scenarios is an example of attentional blink? click or tap a choice to answer the question. while grading a student’s essay, a professor does not notice the mistake in the following sentence: “metacognition is the the awareness of one’s own thought processes.” a waiter is telling two friends about the daily specials when a neighboring table erupts in laughter. the friends ask the waiter to repeat the last few items because their attention was diverted by the sudden loud laughs. you watch television while you study for a language exam. the next day, you are unable to recall the majority of the new vocabulary you thought you had memorized. you are at a loud concert, and you are able to concentrate on the music while blocking out the conversations around you, cell phone rings, and other irrelevant stimuli.

Carbon tetrachloride is a toxic liquid. a carbon tetrachloride molecule has one atom of carbon and four atoms of chlorine. what is its chemical formula?