What collective name is given to the various proteins that criss-cross the cell's interior, hold various organelles in place, enable movement of intracellular structures, and give the cell internal structural integrity

Which of the following was a social cost associated with the development of the internal combustion engine used in most cars? a. people were able to use their horses for new tasks. b. new jobs were created. c. blacksmiths needed to gain new skills to continue working. d. families were able to travel farther more easily.