What is the one common feature among all types of visual displays,
that is, bar graphs, pie charts, and so on?

Which food could be transported in a galvanized metal container?

The diagram shows a chicken embryo and a human embryo

Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b. hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.