4. Why are rattlesnakes necessary to the balance of life in a forest? They eat rodents and are eaten by owls and hawks.
They are not useful to the balance of life and are dangerous to humans.
They compete with raptors for the same food source.
They eat insects which and are then eaten by raptors.

Does the sun release radiant energy?

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

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).