16. Which of the following statements best describes the
metals used in Harrison’s clock?

  • F. The metals were identical so that they would
    respond consistently to changes in conditions at

  • G. The metals were different so that their changes in
    response to conditions at sea would counteract
    each other.

  • H. The metals that remained stable in response to
    temperature changes were encased in metals that
    were impervious to rust.

  • J. The metals expanded and contracted in ways that
    were counteracted by changes in the parts made of