As two different hormones reach the same cell they counteract the effect of one another. this outcome is known as a(n)
a) antagonistic effect
b) integrative effect
c) permissive effect
d) synergistic effect

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

Which of the following items would serve as a primary source for a historian studiying the american civil war

In which type of economy are these decisions made by the producers , consumers, and the goverment?