D.
the answer is d trust me
Jimmy carter was the last one
Answer:
Option B: compounds
Explanation:
Elements can be chemically combined into compounds, therefore, a compound consists of two or more elements combined, in fixed rstios, by chemical means.
Answer:
Several factors contributed to the fall of the Western Roman Empire, including the socioeconomic and political instability of the empire, the Germanic invasion and the invasion of other so-called "barbarian" tribes, the rapid rise of the Eastern Roman Empire, and more.