Answer:
I think it's D, but it could be B.
Explanation:
This question is incomplete. However, the answer to this question is Continental Drift. Approximately 300 million years ago, there were not separate continents, only one giant super continent that we call Pangaea. Over time, scientists realised that the Earth's outer shell slides over the inner mantle through plate tectonics. Around 200 million years ago, Pangaea began to break up through the process of continental drift. Gondwana, incorporating present-day <span>Africa, South America, Antarctica, India and Australia, split from Laurasia (Eurasia and North America). Approximately 150 million years ago, Gondwana started to break up into the present day continents</span>
Naming ionic compounds<span> with transition metals isn't too hard either. They are</span>named<span> like the </span>binary compounds<span>, with the cation first, then the anion with -ide added to it, but you have to take into account the variations of the metal </span>ions<span>. You do this by adding Roman numerals in parenthesis to the cation.</span>
Pathophysiology is a sub discipline of physiology that deals with the study of mechanisms of disease. Pathology describes the abnormal or undesired conditions while pathophysiology entails explaining the physiological processes or mechanisms where such conditions develop and progress. It is a physiology of abnormal state that is normally followed by a disease or a syndrome.
Plant cells have a cell wall and cell membrane... Animal cells have a cell membrane but no cell wall