The answer is B. I believe that this is the answer because the barnacle is benefiting from the gray whale without harming, or affecting it in the process.
The area NORTH of the Atlas Mountains is in its rain shadow...
"B. <span>African culture is extremely diverse; there are over 3,000 different culture groups, and over 800 languages are spoken" since the estimated number of language is actually over 1000. </span>
<u>C</u>) <em>North America</em>
Hope this helped you- have a good day bro cya)