Fill in the blank.(1 point) Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse. One gram of fat contains Response area calories. One gram of protein contains Response area calories. One gram of carbohydrates containsResponse area calories. The option "9" (4 of 4) has been selected. Press tab to choose a response area, and spacebar to insert it. Press escape to cancel.

One gram of fat contains 9 calories. One gram of protein contains 4 calories. One gram of carbohydrates contains 4 calories.

The option "9" has been selected. To fill in the blank, please provide the response area for the number of calories in one gram of carbohydrates.

To fill in the first blank, we need to calculate the number of calories in one gram of fat.

One gram of fat contains 9 calories.

To fill in the second blank, we need to calculate the number of calories in one gram of protein.

One gram of protein contains __________ calories.