Prior to the existence of the nation-state, Europe was comprised of several multi ethnic empires, the largest and most powerful of which was the Holy Roman Empire. Territory changed hands often. Many times, this took place because of marriage or as a result of war.
Physical features are things like the environment, land-forms, and coasts.
Human features are thing like government, language, and culture.
<span>Coastal plains are found in northwest Belgium - P
In Belgium, tension exists between the Flemish people, who speak Dutch and the Walloons, who speak French. - H
Paraguay is a landlocked country. - P
The Pacific Ocean forms Chile's western border. - P
The Association of Southeast Asian Nations (ASEAN) consists of ten nations. Farming is the main economic activity in Paraguay. - H
Canada's government is a constitutional monarchy - H</span>
Sea-level changes are termed eustatic if they are local changes. The correct answer is D.
<h3>What are sea level changes?</h3>
This has to do with how the level of the sea gets high or gets lower based on the land or the location.
When it is said to rise, it means there is an increase in the level of the ocean water.
Read more on sea level here: brainly.com/question/2092614
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.