I think the answer is A, a neutron .
Answer:
Nationalism is a strong attachment to a particular country, or nation. It is also called patriotism. In the modern world, many citizens are very loyal to their country or to their ethnic group. ... Nationalism can have a positive influence by giving people a sense of belonging to a national community
Explanation:
The reason is that something changed that caused them to be unsuccessful in their environment.
Sorry if it is not right.
<span>The kidneys are retroperitoneal (towards the back) high in the dorsal body wall both in humans and cats.</span>
I disagree with the current answer. I believe the answer is the one you have selected. This is because the three domains of life are separated into 3 categories, bacteria, archeabacteria, and eukaryotes. Archeabacteria are prokaryotic, and possess no true nucleus.
