Answer:
C. A concentration gradient must exist.
Answer:
B. Semitendinosus
Explanation:
The medial edge of the popliteal fossa is created by Semitendinosus muscles.
The statements that describes rill erosion is <span>Running water cuts small channels into a slope. The answer is letter D. </span><span>The population increases next to a shoreline, s</span><span>and along a shoreline is repeatedly picked up by waves and s</span><span>ediment is deposited by a river o not answer the question above.</span>
