PLEASE HELP ME IM STUCK

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

Which of the following is an example of a tissue on the digestive system a.the stomach b.smooth muscle that lines the stomach c.nerve cells in the stomach d. enzyme molecules in the stomach

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function