The answer is B
You begin when your mouth begins to break down food. It travels down your esophagus and into your stomach. Then it goes into your small intestine first. The small intestine absorbs 90% of the nutrients and food. After that it goes to your large intestine. Your large intestine absorbs water and and electrolytes.
The answer is D, I hope this helps!! :)
Answer:
Cross-pollination.............
