Answer:
Should be carbon
Explanation:
Carbon makes up all natural resources
<span>Carbon dioxide is essential for photosynthesis.</span>
<span>The peritoneal organs such as the intestines, liver, stomach, and gall bladder are covered by the peritoneum. This is a membrane that supports the organs by allowing nerves, blood vessels, and lymph vessels to pass through the organs. Without membranes, the proper functions of these organs will be impossible.</span>
