The answer to ur question is A
The villi can increase the surface area in the small intestine for absorption of digested food. As the villi has a thin wall, one cell thick, which can speed up diffusion, and a network of blood capillaries to absorb and transfer nutrients.
And in large intestine, those folds can also increase the surface area for reabsorption of unabsorbed food, mostly water.
Answer:
Explanation:
When the sun, moon, and Earth are in alignment (at the time of the new or full moon), the solar tide has an additive effect on the lunar tide, creating extra-high high tides, and very low, low tides, both commonly called spring tides. A similar situation occurs between the Earth and the sun.
I think bison hope this helps