Answer:
C. Varieties of an element that differ only in the number of neutrons are called isotopes.
Explanation:
The Earth is approximately 
old. The solar system formed from giant gas clouds which was a part of the solar nebula.
The surface of soil which demarcates two soils of different geological ages is called a unconformity.
Palesol is the soil that lies between sediments or volcanic deposits. If the paleosol is older they have lithified rock.
Hence, option C is true.
Answer:
Racism is deeply rooted in the history of the US.
I believe it's this one because racismisn'ta new problem, it happens everywhere, and the one that says it can only be adressesed at an individual level is also false
Answer:
The end of serfdom meant the end of feudalism itself. Europe's manors could no longer function without a labor supply. As feudalism faded, it was gradually replaced by the early capitalist structures of the Renaissance. Land owners now turned to privatized farming for profit.
Explanation:
Answer:
inventionist perspective.
Explanation:
The fundamental concept of the inventionist viewpoint is that the significance individuals obtain from and assign to their surrounding environment is a framework of society created by regular social interaction. It is one of the most significant subjects in the field of sociology, offering a crucial conceptual framework for much of the research carried out by sociologists. As per the question, Dr. Jones view that the broader environment influences our conception of adolescence reflects the inventionist perspective.
Answer:
I'm not really sure but I would say maybe D I'm sorry if this is wrong
