Answer and Explanation:
<em>IMPORTANT NOTE: Due to technical problems, you will find t</em><em>he answer and the complete explanation</em><em> in the attached file.</em>
The ileum has <span>plicae circulares</span>, villi and microvilli, that are folds and projections of the mucosa layer of the ileum, that increase the surface area of food absorption. The mucosa and the submucosa of the stomach have inner folds called rugae that increase the surface areas in which food is digested by enzymes.
Plants have root hairs in their tap roots that also increase the surface area for which they absorb water and nutrient from the soil. Fibrous roots have a mesh-like a network that also increases the surface area for increased absorption.
Answer:
the Earth orbits the Sun because of the pull of the Sun's gravity. This happens because the Earth has a acceleration in the direction perpendicular to the force of the Sun's pull and if the Sun weren't there, the Earth would travel in a straight line.
Explanation:
C. When one population cannot interbreed with the other population.
