The gastrointestinal (GI) tract is a long tube, extending from the to the , which carries a large variety of .

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).

What is the inability of an individual or a society to achieve a minimum standard of living known as ?

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?