A scientist analyzed the DNA of a penguin and determined 13% of all of the DNA was composed of Thymine. Which option below display the correct percentages of the other nitrogen bases.

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).

Compare the composition of the moon's surface with the composition of the earth's surface.

What materials must dams have to produce electricity, and what must occur?