What type of organisms or tissue are often preserved as carbon films?

The climax of the story “seventh grade” occurs when

Japan’s key exports to africa and southwest asia are mostly a) raw materials. b) human capital. c) manufactured items. d) agricultural products.

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting