The conclusions, ideas, or theories which are published in technical publications by professional scientists are always correct? true or false

How can congress clarify parts of the constitution that are unclear?

What policy did "jim crow" laws put in place? black codes integration segregation 2. the supreme court case that established the doctrine of "separate but equal" was dred scott v. sandford plessy v. ferguson brown v. board of education 3. the supreme court case that overturned the doctrine of "separate but equal" wasdred scott v. sandford plessy v. ferguson brown v. board of education

Many of the mauryan empire’s huge pillars originally were transported from quarries in india. a. central b. eastern c. southern d. western