What is a concept? A. a fact that has been proven
B. the answer to a scientific question
C. an idea that can be used to talk about the world
D. a set of questions related to one topic

Read the hypothesis below and answer the question that follows. playing video games will improve individual spatial skills. what is the dependent variable in the experiment? a. playing video games b. type of subjects c. type of video game d. spatial skills

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 which sentence does the underlined adverb modify a verb? (i’ll put the words that are underlined in caps) a. water young plants often. b. water young plants rather often. c. we generally water young plants often. d. water very young plants often.