Were you surprised by the length of the time scale when you saw it on a continuous strip of paper? Why or why not? Explain your answer as it relates to the scope of Earth’s geologic past.

Which of the following terms describes the layers of air surrounding the earth ?

Which of the following types of nonrenewable fuel sources requires the storage of radioactive waste? a. coal b. nuclear c. solar d. oil

Which of the following best describes the circumstance under which countries block the importation of certain products into their country? a. importation blockade b. trade barrier c. trade inhibitor d. domestic protection act