What is the tube that stretches from the mouth to the anus called trachea alimentary canal eustachian tube none of the above

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).