Use the drop-down menus to answer each question. Which waves can travel through both solids and liquids? Which waves can travel only through solids? Which waves can make dramatic ground movements? Which waves can compress and expand the ground like an accordion? Which waves can violently shake structures when they reach the surface?

Which of the following is an oxidation-reduction reaction? (pictured below)

Are the earth's ocean floor and continents the same age geologically? why or why not?

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit