Answer:
The secondary source is the evidence of someone who was not present at the time of occurrence of the event e.g., books written by historians. The secondary source is also of great historical importance to the historians. Although secondary source is itself dependent on primary sources.
Explanation:
The answer is Pollution. You can rate or thank me if you want to.
Answer:
B. the U.S. Department of Education
Explanation:
THe U.S Department of Education is the vody of the government that is in charge of enforcing the laws and to create the rulings and laws that rule over the system of education in the UNited States, since the establishment of the Modern Public School System it has been the government office that has had the most authority over it.
The economic theory or practice based on the ideas of the English economist John Maynard Keynes
